CA301670A - Device for keeping constant the speed of electrically driven phonographs - Google Patents
Device for keeping constant the speed of electrically driven phonographsInfo
- Publication number
- CA301670A CA301670A CA301670A CA301670DA CA301670A CA 301670 A CA301670 A CA 301670A CA 301670 A CA301670 A CA 301670A CA 301670D A CA301670D A CA 301670DA CA 301670 A CA301670 A CA 301670A
- Authority
- CA
- Canada
- Prior art keywords
- phonographs
- speed
- electrically driven
- keeping constant
- keeping
- 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.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA301670T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA301670A true CA301670A (en) | 1930-07-01 |
Family
ID=35254816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA301670A Expired CA301670A (en) | Device for keeping constant the speed of electrically driven phonographs |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA301670A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5982577A (en) * | 1995-03-31 | 1999-11-09 | Brown; Paul | Batteryless, spring-powered portable cassette player |
-
0
- CA CA301670A patent/CA301670A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5982577A (en) * | 1995-03-31 | 1999-11-09 | Brown; Paul | Batteryless, spring-powered portable cassette player |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA301670A (en) | Device for keeping constant the speed of electrically driven phonographs | |
CA297146A (en) | Driving device | |
CA297625A (en) | Driving device | |
CA313221A (en) | Recording device | |
CA299930A (en) | Pick-up device | |
CA299535A (en) | Sound-reproducing apparatus | |
CA316513A (en) | Short-circuiting device | |
CA299028A (en) | Contact device for driving mechanical works | |
CA299929A (en) | Film driving apparatus | |
CA305046A (en) | Phonographic apparatus | |
CA306752A (en) | Phonograph pick-up apparatus | |
CA315317A (en) | Speed responsive device | |
CA316583A (en) | Record changing device | |
CA302205A (en) | Signal device | |
CA299159A (en) | Tape controlling device | |
CA297052A (en) | Film controlled contact device | |
CA298707A (en) | Sound regulating device | |
CA290456A (en) | Constant speed drive | |
CA303935A (en) | Shuttle-catching device | |
CA306461A (en) | Anti-frosting device | |
CA300146A (en) | Sedimentation apparatus | |
CA307838A (en) | Piezo-electric device | |
CA307839A (en) | Piezo-electric device | |
CA307840A (en) | Piezo-electric device | |
CA299158A (en) | Tape drawing device |