BE715212A - - Google Patents
Info
- Publication number
- BE715212A BE715212A BE715212DA BE715212A BE 715212 A BE715212 A BE 715212A BE 715212D A BE715212D A BE 715212DA BE 715212 A BE715212 A BE 715212A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J9/00—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification
- H03J9/04—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification using ultrasonic, sonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
- Selective Calling Equipment (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63932167A | 1967-05-18 | 1967-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE715212A true BE715212A (pm) | 1968-09-30 |
Family
ID=24563632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE715212D BE715212A (pm) | 1967-05-18 | 1968-05-15 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3423725A (pm) |
| JP (1) | JPS4824589B1 (pm) |
| AT (1) | AT307523B (pm) |
| BE (1) | BE715212A (pm) |
| ES (1) | ES353924A1 (pm) |
| FR (1) | FR1568478A (pm) |
| GB (1) | GB1191423A (pm) |
| NL (1) | NL6807030A (pm) |
| SE (1) | SE350353B (pm) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2221559C3 (de) * | 1972-05-03 | 1980-09-11 | Texas Instruments Deutschland Gmbh, 8050 Freising | Ultraschall-Fernsteuerungsempfänger |
| US3970987A (en) * | 1972-08-17 | 1976-07-20 | Signal Science, Inc. | Acoustical switch |
| GB8424471D0 (en) * | 1984-09-27 | 1984-10-31 | Bordewijk L G | Remote control system for hearing-aid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467777A (en) * | 1942-04-01 | 1949-04-19 | Rca Corp | Frequency measuring circuit |
| US3187234A (en) * | 1962-11-08 | 1965-06-01 | Y 2 Associates Inc | Selective signal-responsive circuit |
-
1967
- 1967-05-18 US US639321A patent/US3423725A/en not_active Expired - Lifetime
-
1968
- 1968-04-30 SE SE05864/68A patent/SE350353B/xx unknown
- 1968-05-15 FR FR1568478D patent/FR1568478A/fr not_active Expired
- 1968-05-15 BE BE715212D patent/BE715212A/xx unknown
- 1968-05-16 ES ES353924A patent/ES353924A1/es not_active Expired
- 1968-05-17 NL NL6807030A patent/NL6807030A/xx not_active Application Discontinuation
- 1968-05-17 JP JP43033360A patent/JPS4824589B1/ja active Pending
- 1968-05-17 GB GB23708/68A patent/GB1191423A/en not_active Expired
- 1968-05-20 AT AT485568A patent/AT307523B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE350353B (pm) | 1972-10-23 |
| DE1763352B2 (de) | 1972-08-31 |
| NL6807030A (pm) | 1968-11-19 |
| GB1191423A (en) | 1970-05-13 |
| DE1763352A1 (de) | 1972-02-03 |
| US3423725A (en) | 1969-01-21 |
| FR1568478A (pm) | 1969-05-23 |
| AT307523B (de) | 1973-05-25 |
| ES353924A1 (es) | 1969-10-16 |
| JPS4824589B1 (pm) | 1973-07-23 |