BE658696A - - Google Patents
Info
- Publication number
- BE658696A BE658696A BE658696DA BE658696A BE 658696 A BE658696 A BE 658696A BE 658696D A BE658696D A BE 658696DA BE 658696 A BE658696 A BE 658696A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/022—Selective call receivers
- H04W88/025—Selective call decoders
- H04W88/027—Selective call decoders using frequency address codes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/30—Electromagnetic relays specially adapted for actuation by ac
- H01H51/32—Frequency relays; Mechanically-tuned relays
-
- 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
- H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US341508A US3221120A (en) | 1964-01-31 | 1964-01-31 | Electromechanical frequency responsive translating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE658696A true BE658696A (US07235543-20070626-C00056.png) | 1965-05-17 |
Family
ID=23337876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE658696D BE658696A (US07235543-20070626-C00056.png) | 1964-01-31 | 1965-01-22 |
Country Status (7)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3281732A (en) * | 1965-05-05 | 1966-10-25 | Sargent & Greenleaf | Adjustable contact assembly for resonant reed relays |
| DE1266234B (de) * | 1965-07-13 | 1968-04-11 | United States Time Corp | Frequenznormal mit geradlinig schwingenden Massen |
| CH448272A (de) * | 1966-01-13 | 1967-12-15 | Electrometre | Schaltungsanordnung mit einem Schwingzungenkontakt |
| US3337826A (en) * | 1966-03-07 | 1967-08-22 | J B T Instr Inc | Isolation-mounted vibratory reed device |
| US3430171A (en) * | 1967-01-30 | 1969-02-25 | Motorola Inc | Electromechanical frequency responsive translating device |
| US3531890A (en) * | 1968-02-08 | 1970-10-06 | Mattel Inc | Switch means for controlling an animation device in a figure toy |
| US3531891A (en) * | 1968-03-18 | 1970-10-06 | Mattel Inc | Switch means for controlling an animation device in a figure toy |
| US3594487A (en) * | 1969-08-25 | 1971-07-20 | Navcor Inc | Contactless electronic keyboard array |
| US3635011A (en) * | 1970-01-14 | 1972-01-18 | Datcon Instr Co | Elapsed-time indicator |
| GB1509923A (en) * | 1974-04-30 | 1978-05-04 | Strathearn Audio Ltd | Pivoted gramophone pick-up arm control arrangements |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE532295C (de) * | 1931-08-27 | Siemens Schuckertwerke Akt Ges | Polarisiertes Frequenzrelais | |
| US3127117A (en) * | 1964-03-31 | Stop and rear lamp assembly | ||
| GB237334A (en) * | 1924-04-22 | 1925-07-22 | British Thomson Houston Co Ltd | Improvements in alternating current relays |
| GB434763A (en) * | 1934-01-31 | 1935-09-09 | Pierre Briot | Improvements in or relating to vibration detecting apparatus for the control of alarm devices |
| US2688059A (en) * | 1950-08-14 | 1954-08-31 | Motorola Inc | Electromechanical device |
| US2777950A (en) * | 1953-03-23 | 1957-01-15 | Motorola Inc | Oscillator |
| US2974265A (en) * | 1955-12-24 | 1961-03-07 | Kieninger & Obergfell | Electric clock |
| US2951910A (en) * | 1958-01-14 | 1960-09-06 | North Electric Co | Substation signalling device |
| US2938420A (en) * | 1958-05-05 | 1960-05-31 | Schulmerich Electronics Inc | Pickups for electrical musical instrument |
-
1964
- 1964-01-31 US US341508A patent/US3221120A/en not_active Expired - Lifetime
-
1965
- 1965-01-20 FR FR2553A patent/FR1422543A/fr not_active Expired
- 1965-01-20 NL NL6500715A patent/NL6500715A/xx unknown
- 1965-01-22 BE BE658696D patent/BE658696A/xx unknown
- 1965-01-23 LU LU47839A patent/LU47839A1/xx unknown
- 1965-01-26 GB GB3378/65A patent/GB1037948A/en not_active Expired
- 1965-01-30 DE DE19651514189 patent/DE1514189B1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL6500715A (US07235543-20070626-C00056.png) | 1965-08-02 |
| DE1514189B1 (de) | 1970-01-29 |
| GB1037948A (en) | 1966-08-03 |
| US3221120A (en) | 1965-11-30 |
| FR1422543A (fr) | 1965-12-24 |
| LU47839A1 (US07235543-20070626-C00056.png) | 1965-03-23 |
