JPS5036759B1 - - Google Patents
Info
- Publication number
- JPS5036759B1 JPS5036759B1 JP45042813A JP4281370A JPS5036759B1 JP S5036759 B1 JPS5036759 B1 JP S5036759B1 JP 45042813 A JP45042813 A JP 45042813A JP 4281370 A JP4281370 A JP 4281370A JP S5036759 B1 JPS5036759 B1 JP S5036759B1
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82622669A | 1969-05-20 | 1969-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5036759B1 true JPS5036759B1 (enrdf_load_stackoverflow) | 1975-11-27 |
Family
ID=25246022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP45042813A Pending JPS5036759B1 (enrdf_load_stackoverflow) | 1969-05-20 | 1970-05-20 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3603985A (enrdf_load_stackoverflow) |
JP (1) | JPS5036759B1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3707716A (en) * | 1970-09-23 | 1972-12-26 | Norman S Goralnick | Multi-tone push button controlled electronic horn |
US3749838A (en) * | 1970-11-30 | 1973-07-31 | J Juba | Sound generating device for signaling and responding to nuisance telephone calls |
US3938142A (en) * | 1973-06-12 | 1976-02-10 | International Standard Electric Corporation | Ultrasonic transmitter for the remote control of radio and television receivers |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS435605Y1 (enrdf_load_stackoverflow) * | 1965-05-18 | 1968-03-12 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3493966A (en) * | 1967-03-29 | 1970-02-03 | Edwards Co | Electronic audible alarm devices having plural oscillators |
US3440648A (en) * | 1968-05-09 | 1969-04-22 | Mallory & Co Inc P R | Integrated-circuit amplifier and oscillator |
-
1969
- 1969-05-20 US US826226A patent/US3603985A/en not_active Expired - Lifetime
-
1970
- 1970-05-20 JP JP45042813A patent/JPS5036759B1/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS435605Y1 (enrdf_load_stackoverflow) * | 1965-05-18 | 1968-03-12 |
Also Published As
Publication number | Publication date |
---|---|
US3603985A (en) | 1971-09-07 |