BE515702A - - Google Patents
Info
- Publication number
- BE515702A BE515702A BE515702DA BE515702A BE 515702 A BE515702 A BE 515702A BE 515702D A BE515702D A BE 515702DA BE 515702 A BE515702 A BE 515702A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D11/00—Super-regenerative demodulator circuits
- H03D11/02—Super-regenerative demodulator circuits for amplitude-modulated oscillations
-
- 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
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
- H04B1/086—Portable receivers
-
- 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
- H04B1/3827—Portable transceivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Structure Of Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB28315/52A GB728379A (en) | 1952-11-10 | 1952-11-10 | Improvements in or relating to portable radio receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE515702A true BE515702A (it) | 1954-09-03 |
Family
ID=10273698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE515702D BE515702A (it) | 1952-11-10 | 1952-11-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US2619589A (it) |
| BE (1) | BE515702A (it) |
| FR (1) | FR1079780A (it) |
| GB (1) | GB728379A (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2828413A (en) * | 1956-06-21 | 1958-03-25 | Bell Telephone Labor Inc | Self-contained antenna-radio system in which a split conductive container forms a dipole antenna |
| US4791527A (en) * | 1985-01-03 | 1988-12-13 | Motorola, Inc. | Portable radio transceiver housing structurally supported by battery |
| IL80613A0 (en) * | 1986-01-03 | 1987-02-27 | Motorola Inc | Portable radio transceiver housing structurally supported by an integral battery |
| US20030107475A1 (en) * | 2001-12-12 | 2003-06-12 | Bautista Edwin Espanola | Receiver for and method of extending battery life |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2091546A (en) * | 1935-12-28 | 1937-08-31 | Rca Corp | Short wave converter |
| US2147595A (en) * | 1937-12-09 | 1939-02-14 | Rca Corp | Ultra high frequency transceiver |
| GB572955A (en) * | 1942-04-27 | 1945-10-31 | Herbert Jackson | Improvements in portable radio equipment employing thermionic valves |
| US2508918A (en) * | 1946-11-01 | 1950-05-23 | Jr Frank T Hines | Pocket radio |
| US2521423A (en) * | 1947-05-08 | 1950-09-05 | Electronics Systems Corp | Miniature radio receiver |
-
1950
- 1950-07-29 US US176747A patent/US2619589A/en not_active Expired - Lifetime
-
1952
- 1952-11-10 GB GB28315/52A patent/GB728379A/en not_active Expired
- 1952-11-14 FR FR1079780D patent/FR1079780A/fr not_active Expired
- 1952-11-21 BE BE515702D patent/BE515702A/xx unknown
- 1952-12-29 US US23651D patent/USRE23651E/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2619589A (en) | 1952-11-25 |
| USRE23651E (en) | 1953-05-05 |
| FR1079780A (fr) | 1954-12-02 |
| GB728379A (en) | 1955-04-20 |