FR1139052A - Short-range remote control or ultrasonic signaling device - Google Patents

Short-range remote control or ultrasonic signaling device

Info

Publication number
FR1139052A
FR1139052A FR1139052DA FR1139052A FR 1139052 A FR1139052 A FR 1139052A FR 1139052D A FR1139052D A FR 1139052DA FR 1139052 A FR1139052 A FR 1139052A
Authority
FR
France
Prior art keywords
short
remote control
signaling device
range remote
ultrasonic 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
Henri Merignac
Henri Leroy
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 filed Critical
Application granted granted Critical
Publication of FR1139052A publication Critical patent/FR1139052A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00—Whistles
    • G10K5/02—Ultrasonic whistles
FR1139052D 1955-12-23 1955-12-23 Short-range remote control or ultrasonic signaling device Expired FR1139052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1139052T 1955-12-23

Publications (1)

Publication Number Publication Date
FR1139052A true FR1139052A (en) 1957-06-25

Family

ID=9641507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1139052D Expired FR1139052A (en) 1955-12-23 1955-12-23 Short-range remote control or ultrasonic signaling device

Country Status (1)

Country Link
FR (1) FR1139052A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072097A (en) * 1960-11-18 1963-01-08 Charles A Morchand Animal training device
US3103911A (en) * 1960-03-04 1963-09-17 Warwick Mfg Corp Whistle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103911A (en) * 1960-03-04 1963-09-17 Warwick Mfg Corp Whistle
US3072097A (en) * 1960-11-18 1963-01-08 Charles A Morchand Animal training device

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