BE526635A - - Google Patents
Info
- Publication number
- BE526635A BE526635A BE526635DA BE526635A BE 526635 A BE526635 A BE 526635A BE 526635D A BE526635D A BE 526635DA BE 526635 A BE526635 A BE 526635A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
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- 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
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
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- 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
- H04B1/54—Circuits using the same frequency for two directions of communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1093839X | 1953-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE526635A true BE526635A (OSRAM) |
Family
ID=4557135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE526635D BE526635A (OSRAM) | 1953-02-27 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE526635A (OSRAM) |
| CH (1) | CH310664A (OSRAM) |
| DE (1) | DE931606C (OSRAM) |
| FR (1) | FR1093839A (OSRAM) |
-
0
- BE BE526635D patent/BE526635A/xx unknown
-
1953
- 1953-02-27 CH CH310664D patent/CH310664A/de unknown
-
1954
- 1954-02-05 DE DEA19631A patent/DE931606C/de not_active Expired
- 1954-02-24 FR FR1093839D patent/FR1093839A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE931606C (de) | 1955-08-11 |
| CH310664A (de) | 1955-10-31 |
| FR1093839A (fr) | 1955-05-10 |