CH145584A - Signal listening device on closed road vehicles. - Google Patents
Signal listening device on closed road vehicles.Info
- Publication number
- CH145584A CH145584A CH145584DA CH145584A CH 145584 A CH145584 A CH 145584A CH 145584D A CH145584D A CH 145584DA CH 145584 A CH145584 A CH 145584A
- Authority
- CH
- Switzerland
- Prior art keywords
- listening device
- road vehicles
- closed road
- signal listening
- signal
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH145584T | 1930-01-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH145584A true CH145584A (en) | 1931-02-28 |
Family
ID=4401825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH145584D CH145584A (en) | 1930-01-15 | 1930-01-15 | Signal listening device on closed road vehicles. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH145584A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3158835A (en) * | 1961-07-14 | 1964-11-24 | Otho F Hipkins | Safety device signal pick-up for motor vehicles |
-
1930
- 1930-01-15 CH CH145584D patent/CH145584A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3158835A (en) * | 1961-07-14 | 1964-11-24 | Otho F Hipkins | Safety device signal pick-up for motor vehicles |
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