FR1103924A - Vibrating fork signaling device - Google Patents

Vibrating fork signaling device

Info

Publication number
FR1103924A
FR1103924A FR1103924DA FR1103924A FR 1103924 A FR1103924 A FR 1103924A FR 1103924D A FR1103924D A FR 1103924DA FR 1103924 A FR1103924 A FR 1103924A
Authority
FR
France
Prior art keywords
signaling device
vibrating fork
fork
vibrating
signaling
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
Other languages
French (fr)
Inventor
Joseph-Marie-Bernard Wuyts
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1103924A publication Critical patent/FR1103924A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR1103924D 1953-07-09 1954-07-08 Vibrating fork signaling device Expired FR1103924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2876445X 1953-07-09

Publications (1)

Publication Number Publication Date
FR1103924A true FR1103924A (en) 1955-11-08

Family

ID=19876129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1103924D Expired FR1103924A (en) 1953-07-09 1954-07-08 Vibrating fork signaling device

Country Status (2)

Country Link
US (1) US2876445A (en)
FR (1) FR1103924A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US732443A (en) * 1902-04-03 1903-06-30 American Otophone Company Telephone.
US721817A (en) * 1902-06-06 1903-03-03 Microphone Transmitter Company Telephone-transmitter.
GB418004A (en) * 1933-04-21 1934-10-17 Gen Electric Co Ltd Improvements in or relating to telephone systems
US2147710A (en) * 1937-06-12 1939-02-21 Bell Telephone Labor Inc Call transmitter
US2190307A (en) * 1937-08-31 1940-02-13 Bell Telephone Labor Inc Designation transmitter

Also Published As

Publication number Publication date
US2876445A (en) 1959-03-03

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