SEARCH:
GO TO ADVANCED SEARCH
LOGIN:
Login
Create Free Account
HOME
SEARCH PATENTS
CHEMICAL SEARCH
DATA SERVICES
HELP
Transistorized annunciator with a recorded message
United States Patent 3409745
US Patent References:
Magnetic recording system
- - 2653819
Magnetic sound recording and reproducing apparatus
- - 2507385
Store window display system
- - 2517181
Annunciator
- - 2571973
Magnetic tape apparatus
- - 2821576
Inventors:
Kock, Winston E.
Publication Date:
11/05/1968
View Patent Images:
Download PDF 3409745
PDF help
Export Citation:
Click for automatic bibliography generation
Primary Class:
360/12
Other Classes:
340/286.120, 360/61, 340/328
International Classes:
G08B3/10
;
G08B3/00
US Patent References:
2910689
Transistor horn
2977418
Combined oscillator and head phone for code practice
3002187
Door chime
<- Previous Patent (Time compression and...)
|
Next Patent (Magnetic disc record...) ->