JPS3716630B1 - - Google Patents
Info
- Publication number
- JPS3716630B1 JPS3716630B1 JP2526360A JP2526360A JPS3716630B1 JP S3716630 B1 JPS3716630 B1 JP S3716630B1 JP 2526360 A JP2526360 A JP 2526360A JP 2526360 A JP2526360 A JP 2526360A JP S3716630 B1 JPS3716630 B1 JP S3716630B1
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1141566X | 1959-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS3716630B1 true JPS3716630B1 (es) | 1962-10-16 |
Family
ID=19870164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2526360A Pending JPS3716630B1 (es) | 1959-05-23 | 1960-05-21 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS3716630B1 (es) |
DE (1) | DE1141566B (es) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1814554A (en) * | 1927-05-24 | 1931-07-14 | Acoustic Products Company | Horn having resonating chambers at antinodal points |
US1901388A (en) * | 1930-04-18 | 1933-03-14 | Rca Corp | Method and apparatus for eliminating the effect of cabinet resonance |
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1960
- 1960-05-19 DE DEN18369A patent/DE1141566B/de active Pending
- 1960-05-21 JP JP2526360A patent/JPS3716630B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1141566B (de) | 1962-12-20 |