FR1422543A - Electromechanical device responding to a determined frequency - Google Patents

Electromechanical device responding to a determined frequency

Info

Publication number
FR1422543A
FR1422543A FR2553A FR2553A FR1422543A FR 1422543 A FR1422543 A FR 1422543A FR 2553 A FR2553 A FR 2553A FR 2553 A FR2553 A FR 2553A FR 1422543 A FR1422543 A FR 1422543A
Authority
FR
France
Prior art keywords
electromechanical device
determined frequency
device responding
responding
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR2553A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of FR1422543A publication Critical patent/FR1422543A/en
Expired legal-status Critical Current

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)
FR2553A 1964-01-31 1965-01-20 Electromechanical device responding to a determined frequency Expired FR1422543A (en)

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
FR1422543A true FR1422543A (en) 1965-12-24

Family

ID=23337876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2553A Expired FR1422543A (en) 1964-01-31 1965-01-20 Electromechanical device responding to a determined frequency

Country Status (7)

Country Link
US (1) US3221120A (en)
BE (1) BE658696A (en)
DE (1) DE1514189B1 (en)
FR (1) FR1422543A (en)
GB (1) GB1037948A (en)
LU (1) LU47839A1 (en)
NL (1) NL6500715A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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 (en) * 1965-07-13 1968-04-11 United States Time Corp Frequency standard with masses oscillating in a straight line
CH448272A (en) * 1966-01-13 1967-12-15 Electrometre Circuit arrangement with a vibrating tongue contact
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127117A (en) * 1964-03-31 Stop and rear lamp assembly
DE532295C (en) * 1931-08-27 Siemens Schuckertwerke Akt Ges Polarized frequency relay
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

Also Published As

Publication number Publication date
BE658696A (en) 1965-05-17
GB1037948A (en) 1966-08-03
DE1514189B1 (en) 1970-01-29
LU47839A1 (en) 1965-03-23
NL6500715A (en) 1965-08-02
US3221120A (en) 1965-11-30

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