|
| | |
|
Your search returned 87 patents.
( 455/154.1 in Current US Classification ) |
|
|
| 1 |
| Patent ID | Title | Date Filed |
| 4944011 | Circuit for controlling operator indicators in an AM stereo receiver
| August 21, 1987 |
| 4914680 | Signal distinction circuit
| May 27, 1988 |
| 4881073 | Paging system with dynamically programmable reception frequencies
| February 22, 1988 |
| 4817196 | Apparatus for tuning the antenna of a miniature personal communications device
| March 13, 1987 |
| 4754261 | Security system
| March 30, 1987 |
| 4475245 | Transceiver
| February 10, 1983 |
| 4464793 | Resonance selection circuit for series connection in a radio receiver circuit
| May 28, 1982 |
| 4403343 | Diversity receiver
| September 28, 1981 |
| 4376311 | Electro-mechanical switching system
| July 28, 1981 |
| 4346480 | Frequency identification circuit
| May 5, 1980 |
| 4306294 | Combined electronic calculator and electronically tuning radio receiver
| September 14, 1979 |
| 4252428 | Radio-receiver-built-in flash camera
| January 25, 1979 |
| 4237556 | Superheterodyne receiver having distortion reducing circuitry
| March 5, 1979 |
| 4232393 | Muting arrangement of a radio receiver with a phase-locked loop frequency synthesizer
| December 21, 1978 |
| 4205274 | Power amplifier circuit
| January 29, 1979 |
| 4194156 | FM tuner
| May 31, 1978 |
| 4194155 | Radio receiving device for automotive use
| June 14, 1978 |
| 4160278 | Fine tuning indicator for TV with synchronous detector
| December 12, 1977 |
| 4160212 | Radio frequency receiver having serially coupled heterodyning stages, each stage having filters with difference center frequencies
| May 26, 1977 |
| 4081751 | Plug-in radio set, and support therefor
| June 29, 1976 |
| RE38600 | Apparatus and methods for accessing information relating to radio television programs
| January 7, 2000 |
| 1 |
|
|
|
|
|
|
|
|
|
|
|