BE628602A - - Google Patents
Info
- Publication number
- BE628602A BE628602A BE628602DA BE628602A BE 628602 A BE628602 A BE 628602A BE 628602D A BE628602D A BE 628602DA BE 628602 A BE628602 A BE 628602A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
- H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/30—Modifications for providing a predetermined threshold before switching
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Soil Working Implements (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US174752A US3169221A (en) | 1962-02-21 | 1962-02-21 | Audio actuated switch for transceiver transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE628602A true BE628602A (US20110232667A1-20110929-C00004.png) |
Family
ID=22637378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE628602D BE628602A (US20110232667A1-20110929-C00004.png) | 1962-02-21 |
Country Status (6)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3339140A (en) * | 1964-08-04 | 1967-08-29 | Nevlin C Pace | Solid-state two-way radio switching system application |
| US3358234A (en) * | 1965-04-02 | 1967-12-12 | Collins Radio Co | Ssb system which overcomes problems of squelch, impulse interference and agc as commonly encountered |
| US3619657A (en) * | 1968-02-27 | 1971-11-09 | Us Navy | Power control switch |
| FR2071282A5 (US20110232667A1-20110929-C00004.png) * | 1969-12-23 | 1971-09-17 | Cit Alcatel | |
| US3605020A (en) * | 1970-07-31 | 1971-09-14 | William B Sullivan Jr | Selective automatic audio threshold circuit |
| US3748496A (en) * | 1971-10-26 | 1973-07-24 | R Hedin | Sound activated controller |
| US3962553A (en) * | 1973-03-29 | 1976-06-08 | Motorola, Inc. | Portable telephone system having a battery saver feature |
| US4286336A (en) * | 1979-02-08 | 1981-08-25 | Rca Corporation | Automatic shutdown arrangement for stand-alone television modulator |
| US4396802A (en) * | 1981-05-28 | 1983-08-02 | The United States Of America As Represented By The Secretary Of The Navy | Aswixs remote speaker and handset set |
| US4589132A (en) * | 1982-09-13 | 1986-05-13 | Botbol Joseph M | Emergency synthesized voice generator method and apparatus |
| US4524461A (en) * | 1983-07-18 | 1985-06-18 | American Transceiver Corp. | Helmet-supported radio transceiver and broadcast receiver system |
| US4860359A (en) * | 1984-10-15 | 1989-08-22 | Rockwell International Corporation | Method of voice operated transmit control |
| EP0331434B1 (en) * | 1988-02-29 | 1995-12-06 | Kabushiki Kaisha Toshiba | Radio telecommunication apparatus |
| GB2237704B (en) * | 1989-10-11 | 1994-02-23 | Marconi Co Ltd | Radio communication apparatus |
| US5193217A (en) * | 1990-04-23 | 1993-03-09 | Motorola, Inc. | Low voltage IC for voice operated transceiver |
| USD988166S1 (en) * | 2020-11-03 | 2023-06-06 | Augustin Jungmin Koh | Electronic timer whistle |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1631670A (en) * | 1925-05-11 | 1927-06-07 | Gen Electric | High-frequency signaling system |
| GB368337A (en) * | 1930-12-02 | 1932-03-02 | Marconi Wireless Telegraph Co | Improvements in or relating to high frequency transmitters |
| US2206682A (en) * | 1936-10-21 | 1940-07-02 | Rca Corp | Transmitter |
| US2287862A (en) * | 1940-12-24 | 1942-06-30 | Rca Corp | Transmitting system |
| US2496186A (en) * | 1947-11-29 | 1950-01-31 | Bell Telephone Labor Inc | Voice-controlled two-way telephone set |
| US2696529A (en) * | 1950-09-02 | 1954-12-07 | Bell Telephone Labor Inc | Voice-operated switching system |
| US2926241A (en) * | 1958-05-13 | 1960-02-23 | Tele Dynamics Inc | Squelch circuit |
| US3012138A (en) * | 1959-06-17 | 1961-12-05 | Gen Electric | Audio amplifier |
| US3102236A (en) * | 1960-05-05 | 1963-08-27 | Collins Radio Co | Squelch circuit controlled by demodulated voice signal |
| US3079558A (en) * | 1960-12-05 | 1963-02-26 | Collins Radio Co | Squelch circuit |
-
0
- BE BE628602D patent/BE628602A/xx unknown
- NL NL289308D patent/NL289308A/xx unknown
-
1962
- 1962-02-21 US US174752A patent/US3169221A/en not_active Expired - Lifetime
-
1963
- 1963-01-26 ES ES284557A patent/ES284557A1/es not_active Expired
- 1963-02-15 GB GB6260/63A patent/GB1021347A/en not_active Expired
- 1963-02-21 CH CH216863A patent/CH411061A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3169221A (en) | 1965-02-09 |
| ES284557A1 (es) | 1963-05-01 |
| GB1021347A (en) | 1966-03-02 |
| NL289308A (US20110232667A1-20110929-C00004.png) | |
| CH411061A (fr) | 1966-04-15 |
