JPS49122300A - - Google Patents

Info

Publication number
JPS49122300A
JPS49122300A JP48032624A JP3262473A JPS49122300A JP S49122300 A JPS49122300 A JP S49122300A JP 48032624 A JP48032624 A JP 48032624A JP 3262473 A JP3262473 A JP 3262473A JP S49122300 A JPS49122300 A JP S49122300A
Authority
JP
Japan
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.)
Granted
Application number
JP48032624A
Other languages
Japanese (ja)
Other versions
JPS5325640B2 (enrdf_load_stackoverflow
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
Priority to JP3262473A priority Critical patent/JPS5325640B2/ja
Priority to US05/452,917 priority patent/US3976988A/en
Publication of JPS49122300A publication Critical patent/JPS49122300A/ja
Publication of JPS5325640B2 publication Critical patent/JPS5325640B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP3262473A 1973-03-23 1973-03-23 Expired JPS5325640B2 (enrdf_load_stackoverflow)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3262473A JPS5325640B2 (enrdf_load_stackoverflow) 1973-03-23 1973-03-23
US05/452,917 US3976988A (en) 1973-03-23 1974-03-20 Ultrasonic wave type alarm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3262473A JPS5325640B2 (enrdf_load_stackoverflow) 1973-03-23 1973-03-23

Publications (2)

Publication Number Publication Date
JPS49122300A true JPS49122300A (enrdf_load_stackoverflow) 1974-11-22
JPS5325640B2 JPS5325640B2 (enrdf_load_stackoverflow) 1978-07-27

Family

ID=12363993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3262473A Expired JPS5325640B2 (enrdf_load_stackoverflow) 1973-03-23 1973-03-23

Country Status (1)

Country Link
JP (1) JPS5325640B2 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576494A (en) * 1978-11-30 1980-06-09 Cerberus Ag Invasion annunciation and annunciator
JPS55140987A (en) * 1979-04-23 1980-11-04 Uro Denshi Kogyo Kk Ultrasonic alarm
JPS5777530A (en) * 1980-10-31 1982-05-14 Hitachi Zosen Corp Centrifugal molding method of resin tube having trapzoidal section with roving therein

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS482587U (enrdf_load_stackoverflow) * 1971-05-25 1973-01-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS482587U (enrdf_load_stackoverflow) * 1971-05-25 1973-01-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576494A (en) * 1978-11-30 1980-06-09 Cerberus Ag Invasion annunciation and annunciator
JPS55140987A (en) * 1979-04-23 1980-11-04 Uro Denshi Kogyo Kk Ultrasonic alarm
JPS5777530A (en) * 1980-10-31 1982-05-14 Hitachi Zosen Corp Centrifugal molding method of resin tube having trapzoidal section with roving therein

Also Published As

Publication number Publication date
JPS5325640B2 (enrdf_load_stackoverflow) 1978-07-27

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