JPS5273019A - Transmitting and receiving device forultrasonic pulse switch - Google Patents

Transmitting and receiving device forultrasonic pulse switch

Info

Publication number
JPS5273019A
JPS5273019A JP50149809A JP14980975A JPS5273019A JP S5273019 A JPS5273019 A JP S5273019A JP 50149809 A JP50149809 A JP 50149809A JP 14980975 A JP14980975 A JP 14980975A JP S5273019 A JPS5273019 A JP S5273019A
Authority
JP
Japan
Prior art keywords
transmitting
receiving device
forultrasonic
pulse switch
switch
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.)
Pending
Application number
JP50149809A
Other languages
Japanese (ja)
Inventor
Susumu Katayama
Hironobu Inoue
Hiroshi Ohashi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP50149809A priority Critical patent/JPS5273019A/en
Priority to GB51109/76A priority patent/GB1565258A/en
Priority to DE2655686A priority patent/DE2655686C3/en
Priority to US05/749,287 priority patent/US4104610A/en
Priority to FR7637689A priority patent/FR2335904A1/en
Publication of JPS5273019A publication Critical patent/JPS5273019A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide a transmitting and receiving device for an ultrasonic pulse switch, in which ultrasonic horns having different directivities are mounted to an automatic door or the like so as to obtain any detecting area.
COPYRIGHT: (C)1977,JPO&Japio
JP50149809A 1975-12-15 1975-12-15 Transmitting and receiving device forultrasonic pulse switch Pending JPS5273019A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP50149809A JPS5273019A (en) 1975-12-15 1975-12-15 Transmitting and receiving device forultrasonic pulse switch
GB51109/76A GB1565258A (en) 1975-12-15 1976-12-08 Ultrasonic wave horn
DE2655686A DE2655686C3 (en) 1975-12-15 1976-12-08 Ultrasonic wave funnel
US05/749,287 US4104610A (en) 1975-12-15 1976-12-10 Ultrasonic wave horn
FR7637689A FR2335904A1 (en) 1975-12-15 1976-12-14 CORNET FOR ULTRASOUND WAVES TRANSMISSION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50149809A JPS5273019A (en) 1975-12-15 1975-12-15 Transmitting and receiving device forultrasonic pulse switch

Publications (1)

Publication Number Publication Date
JPS5273019A true JPS5273019A (en) 1977-06-18

Family

ID=15483173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50149809A Pending JPS5273019A (en) 1975-12-15 1975-12-15 Transmitting and receiving device forultrasonic pulse switch

Country Status (1)

Country Link
JP (1) JPS5273019A (en)

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