TELEVISION ACCESSORIES
xx TELEVISION
Circuit for an improved audio amplifier and power supply which can be mounted inside a TV set. AUDIO AMATEUR 3/1972 [Mar 1973] (v.3#3) pg. 24
A quality TV sound extractor. Improve the FM audio portion of television broadcasts with this circuit which also avoids the "hot chassis" problems of other solutions. AUDIO AMATEUR 2/1978 [Jun 1978] (v.9#2) pg. 11
How to install an adapter between your television and your stereo. BOYS' LIFE Nov 1979 (v.69#11) pg. 18
Oak holder for TV remote controls and TV listings. CANADIAN WORKSHOP Dec 1993 (v.17#3) pg. 34
Stand holds multiple remote controls, a cordless phone and TV Guide. CANADIAN WORKSHOP Nov 1997 (v.21#2) pg. 56
Circuit for a TV turnoff which will beep about a half-minute before the electrical circuit is turned off. Unit features a built-in delay of 30 to 60 minutes. The warning beep will allow you to reset the timer. CQ. THE RADIO AMATEUR'S JOURNAL Apr 1979 (v.35#4) pg. 103
Use a TV demodulator to monitor your amateur band receiver while watching television at another location. CQ. THE RADIO AMATEUR'S JOURNAL Jul 1988 (v.44#7) pg. 56
Build a high-fidelity add-on MTS stereo audio converter which will work with virtually any TV or VCR. Est. cost: $50. Add an SAP (second audio program) adapter to receive second language audio channels, weather, news, etc. ELECTRONICS EXPERIMENTERS HANDBOOK 1989 pg. 11, 16, 23, 137
Photoelectric switch turns sound on and off. ELECTRONICS ILLUSTRATED Sep 1964 (v.7#5) pg. 35
TV signal booster is powered by sunlight, batteries or AC supply and will increase power from 10 to 63 fold depending on channel. ELECTRONICS ILLUSTRATED Jul 1965 (v.8#4) pg. 48
TV "call box" allows TV sound to be interrupted and used as a loudspeaker for calling people watching TV. ELECTRONICS ILLUSTRATED Jul 1965 (v.8#4) pg. 90
Remote control switch is activated by a high-pitched dog whistle. Can be used to turn off TV sound. ELECTRONICS ILLUSTRATED Mar 1968 (v.11#2) pg. 44
TV commercial editor. Never watch or record broadcast-television commercials again. Eliminate them automatically with the micro-processor-based ComEd 1000. The machine "learns" the normal patterns for commercials and when to turn them off. Est. cost: $159. ELECTRONICS NOW Aug 1994 (v.65#8) pg. 31
TV audio hearing wonder. A simple amplifier circuit helps the hard-of-hearing enjoy television. ELECTRONICS NOW Oct 1999 (v.70#10) pg. 75
Automatic TV brightness control monitors the ambient room lighting and adjusts the cathode-ray tube brightness accordingly. ELECTRONICS WORLD May 1966 (v.75#5) pg. 38
Diagram shows how to modify a TV set so it will turn on instantly. ELEMENTARY ELECTRONICS #763 Winter 1965 pg. 14
Attach this fire alarm to the back of your TV set. If short circuit develops, it disconnects the TV from electric power line and sounds an alarm. ELEMENTARY ELECTRONICS Jan-Feb 1974 (v.14#1) pg. 77
Remote control will kill the TV sound with a blink of a flashlight. ELEMENTARY ELECTRONICS Mar-Apr 1979 (v.19#2) pg. 43
Cover for a portable TV looks like a giant toaster with two slices of bread popping up. FAMILY CIRCLE Nov 20 1978 (v.91#13) pg. 116, 192
TV wireless FM mike. Use a wireless microphone to broadcast your TV sound to your FM stereo system, earphones, etc. HANDS-ON ELECTRONICS Sep-Oct 1986 (v.3#5) pg. 93
TV audio amplifier picks up the TV's audio output signal and amplifies it enough to drive a set of earphones for private listening. Uses an electret microphone element as the pick-up. HANDS-ON ELECTRONICS Nov 1988 (v.5#11) pg. 41
How to build your own projection TV. A plywood cabinet fits around the front of a 17" portable TV. A special projection lens from Edmund Scientific and a focusing mount fit into the cabinet. Picture from the small TV is then projected onto a high-gain aluminized screen. Est. cost: $400. MECHANIX ILLUSTRATED #610 Mar 1979 (v.75) pg. 100
Circuit for a photocell switch that will shut off TV commercials using the beam of a flashlight. MODERN ELECTRONICS [1] Feb 1978 (v.1#1) pg. 74
Automatic timer will turn off your TV from 30 to 60 minutes after it is turned on. A warning buzzer will sound just before it turns off the set, giving you time to reset the timer. Est. cost: $9. MODERN ELECTRONICS [1] Sep 1978 (v.1#7) pg. 39
Wireless TV audio mute. This one-button project mutes the sound of any TV receiver that does not have wireless remote-control facilities. Est. cost: $35. MODERN ELECTRONICS [2] Mar 1986 (v.3#3) pg. 42
Correction MODERN ELECTRONICS [2] Jun 1986 (v.3#6) pg. 93
Add stereo sound to your TV receiver. Device to convert mono TV receivers to make them "stereo-ready". Provides high-quality mono sound and prepares your set to accept any commercial stereo converter. Est. cost: $25. MODERN ELECTRONICS [2] Apr 1986 (v.3#4) pg. 60
Correction MODERN ELECTRONICS [2] Jun 1986 (v.3#6) pg. 93
Audio/video distribution amplifier. This device eliminates signal-loss problems usually encountered when trying to interconnect a TV receiver, one or more VCRs, and similar products into a single video entertainment system. MODERN ELECTRONICS [2] Mar 1987 (v.4#3) pg. 34
Added Info MODERN ELECTRONICS [2] May 1987 (v.4#5) pg. 5
Correction MODERN ELECTRONICS [2] Jun 1987 (v.4#6) pg. 5
Added Info MODERN ELECTRONICS [2] Oct 1987 (v.4#10) pg. 5
Booster will triple strength of FM and TV signals. POPULAR ELECTRONICS [1] Nov 1964 (v.21#5) pg. 41
Remote volume control for a TV set. Switch works up to 50 feet away. Requires a two-wire cable connecton on the TV set. Est. cost: $2. POPULAR ELECTRONICS [1] Oct 1967 (v.27#4) pg. 40
Light-activated remote sound shut-off for TV commercials. Uses an isolation relay. POPULAR ELECTRONICS [1] Dec 1967 (v.27#6) pg. 60
TV commercial killer. Flashlight beam shuts off unwanted TV sound using this circuit. POPULAR ELECTRONICS [1] Jul 1973 (v.4#1) pg. 69
Simple circuit cuts off TV sound when you shine a flashlight on a sensor. POPULAR ELECTRONICS [1] May 1976 (v.9#5) pg. 26
Simple touch-plate controlled time-delay relay turns TV commercials off for up to 30 seconds. Uses the 555 timer integrated circuit. POPULAR ELECTRONICS [1] Jan 1979 (v.15#1) pg. 80
Wireless switch uses a beam of infrared light to shut off television commercials (video and/or sound) for a preset period (30 or 60 seconds). Est. cost: $69. POPULAR ELECTRONICS [1] Feb 1981 (v.19#2) pg. 44
Circuit will turn off TV or radio audio for exactly 1-minute when activated by a push switch. Est. cost: $3. POPULAR ELECTRONICS [1] Jun 1981 (v.19#6) pg. 67
Enhance TV sound with stereo. Synthesizer produces impressive stereo sound from the mono output of any TV receiver or video cassette recorder. Est. cost: $90. POPULAR ELECTRONICS [1] Jun 1982 (v.20#6) pg. 55
Correction POPULAR ELECTRONICS [1] Aug 1982 (v.20#8) pg. 8
TV commercial zapper is connected in series with the speaker wire. A light beam interrupts the signal to the speaker. POPULAR ELECTRONICS [2] Nov 1989 (v.6#11) pg. 24
TV viewer hears sound in private. POPULAR MECHANICS Apr 1963 (v.119#4) pg. 140
Wireless pickup brings TV or phono sound to your ears through an individual receiver. Est. cost: $3 per receiver unit. POPULAR MECHANICS Jan 1966 (v.125#1) pg. 196
How to get better sound from your TV set by hooking up a bigger extension speaker, wiring the set for headphones or piping the sound through a hi-fi amplifier. POPULAR MECHANICS Sep 1969 (v.132#3) pg. 148
Silencer shuts off TV sound at the touch of a finger. Circuit uses a homemade "touch switch" instead of a button. POPULAR MECHANICS Jan 1980 (v.153#1) pg. 162
Build a giant-screen projection TV. Uses an ordinary TV equipped with a wooden cone and projection lens. Requires a special screen on which to project the image. POPULAR MECHANICS Feb 1980 (v.153#2) pg. 107
TV viewer only hears sound with receiver. POPULAR SCIENCE Apr 1963 (v.182#4) pg. 140
Mirror unit for viewing television from bed. POPULAR SCIENCE May 1963 (v.182#5) pg. 114
Wireless private listening for your TV. Attach this short range AM transmitter to a TV and pick up the sound with a nearby radio, such as a pocket-size transistor radio with an earphone. POPULAR SCIENCE May 1969 (v.194#5) pg. 108
Touch switch allows you to vary the time the switch is on up to 15 seconds or more. Use it to kill TV commercials, doorbell switch, light timer and other jobs. POPULAR SCIENCE Mar 1971 (v.198#3) pg. 96
Wiring arrangement allows you to play TV sound through your home hi-fi system at the flip of a switch. POPULAR SCIENCE Jun 1975 (v.206#6) pg. 16
Build this digital on-screen TV clock. Digital clock displays either 4 or 6 digits of time on the screen of your TV set in either 12- or 24-hour format. Est. cost: $30. RADIO-ELECTRONICS Jul 1977 (v.48#7) pg. 35
Build this video monitor. Permits direct connection of composite video signals from video games and microcomputers to the antenna terminals of your TV set. Est. cost: $14. RADIO-ELECTRONICS Aug 1977 (v.48#8) pg. 33
Profile of an IC from National Semiconductor, the LM1889 TV video modulator circuit, which generates a VHF signal complete with color and audio. RADIO-ELECTRONICS May 1978 (v.49#5) pg. 84
Tips on feeding TV audio into a hi-fi sound system. RADIO-ELECTRONICS Aug 1978 (v.49#8) pg. 16
Video modulators. Part 1. Turn your TV into a video monitor. How they work and what is available. RADIO-ELECTRONICS Aug 1978 (v.49#8) pg. 38
Video modulators. Part 2. RADIO-ELECTRONICS Sep 1978 (v.49#9) pg. 47
Build this pay-TV decoder. Part 1. Est. cost: $69. RADIO-ELECTRONICS Jan 1981 (v.52#1) pg. 41
Build this pay-TV decoder. Part 2. RADIO-ELECTRONICS Feb 1981 (v.52#2) pg. 51
Correction RADIO-ELECTRONICS Mar 1981 (v.52#3) pg. 14
Lower or raise the volume on your TV set, or anything else, by means of remote control. RADIO-ELECTRONICS Apr 1981 (v.52#4) pg. 82
Build this add-on to improve your pay-TV decoder by boosting the IF gain. RADIO-ELECTRONICS Jun 1982 (v.53#6) pg. 65
Correction RADIO-ELECTRONICS Jan 1983 (v.54#1) pg. 20
Modify your TV to include a direct video input for your computer or VCR. This will eliminate the radiation and interference caused by the RF modulator. Est. cost: $65. RADIO-ELECTRONICS Apr 1983 (v.54#4) pg. 43
Build this hi-fi sound converter for your TV. No internal modifications are required. RADIO-ELECTRONICS Nov 1983 (v.54#11) pg. 45
Added Info RADIO-ELECTRONICS Mar 1984 (v.55#3) pg. 10
Added Info RADIO-ELECTRONICS May 1984 (v.55#5) pg. 21
All about cable-TV descrambling. Learn the theory behind cable-TV signal-scrambling techniques by investigating a descrambling circuit. RADIO-ELECTRONICS Feb 1984 (v.55#2) pg. 47
Added Info RADIO-ELECTRONICS Jul 1984 (v.55#7) pg. 16
Added Info RADIO-ELECTRONICS Oct 1984 (v.55#10) pg. 22
Build this infrared transmitter and receiver to add remote control to just about anything. Application shown is for remote TV-channel selector. RADIO-ELECTRONICS Aug 1984 (v.55#8) pg. 57
Stereo-TV decoder uses only one IC. Includes an introduction to the basics of MTS (multi-channel television sound) transmissions. Est. cost: $30. RADIO-ELECTRONICS Mar 1986 (v.57#3) pg. 51, 80
Correction RADIO-ELECTRONICS Jul 1986 (v.57#7) pg. 20
Build a World System Teletext decoder to pickup the free information services which are available as part of some TV signals. Est. cost: $200. Part 1. RADIO-ELECTRONICS Apr 1986 (v.57#4) pg. 45
Correction RADIO-ELECTRONICS Jun 1986 (v.57#6) pg. 12
Build a World System Teletext decoder to pickup the free information services which are available as part of some TV signals. Part 2. RADIO-ELECTRONICS May 1986 (v.57#5) pg. 67, 76, 77
Closed-caption decoder. Part 2. Construction. RADIO-ELECTRONICS Dec 1986 (v.57#12) pg. 61, 73
Stereo TV decoder. Build your own high-fidelity MTS decoder which will work with virtually any TV. Est. cost: $50. Part 1. The theory behind MTS transmission and decoding. RADIO-ELECTRONICS Jan 1987 (v.58#1) pg. 37
Stereo TV decoder. Part 2. Building the decoder. RADIO-ELECTRONICS Feb 1987 (v.58#2) pg. 51, 81
Build this miniature wideband amplifier. Gives a 20-dB gain for TV signals and other signals from DC to 450 MHz. Est. cost: $12. RADIO-ELECTRONICS May 1987 (v.58#5) pg. 45
Tips on adding an earphone jack to a television set. RADIO-ELECTRONICS Apr 1989 (v.60#4) pg. 8
Correction RADIO-ELECTRONICS Jun 1989 (v.60#6) pg. 14
Audio limiter circuit will turn the television receiver volume down whenever the sound gets too loud (as during some commercials). RADIO-ELECTRONICS Jan 1992 (v.63#1) pg. 12
Added Info RADIO-ELECTRONICS May 1992 (v.63#5) pg. 17
Photocell switch turns TV commercials off and on in response to a signal from a flashlight. Est. cost: $12. RADIO-TV EXPERIMENTER #806 Oct-Nov 1966 (v.21#2) pg. 53
Remote speaker and volume control for a TV set. Use of telephone jack plugs allows unit to be moved from place to place. RADIO-TV EXPERIMENTER Feb-Mar 1968 (v.24#1) pg. 94
Flash switch. Turn television sound off and on by shining a flashlight on this light sensitive switch. SCIENCE & ELECTRONICS [1] Aug-Sep 1970 (v.28#4) pg. 75
Remote switch to shut off TV commercials. WORKBENCH Sep-Oct 1963 (v.19#5) pg. 42
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