Arrangements Producing Acoustic Signals At Preselected Times (optical Time Indicating Subclass 139, 564, And 577; Indicating By Acoustic Means Subclass 217; Indicating Time By Means Other Than Acoustic Or Optical Or By A Combination Of Means Subclass 243; Acoustic Time Signals Produced Electrically Subclass 580; Coin-freed Alarm Clocks G07f 17/00b; Acoustic Signalling Means G08b 3/00) [g04b 23/00] Patents (Class 968/229)
Cross-Reference Art Collections
- Controls, e.g., winding up the alarm, adjusting and indicating the waking time, etc. [G04B 23/02B] (Class 968/232)
- Stopping means [G04B 23/02C] (Class 968/233)
- Driving, e.g., by springs or common drive with the clockwork, etc.; gears; escapements (escapements in general subclass 95; regulating means for clockworks in general subclass 103) [G04B 23/02D] (Class 968/234)
- Signal triggering (in alarm clocks which deliver also or only nonacoustic signals subclass 244) [G04B 23/02F] (Class 968/235)
- Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators [G04B 23/02G] (Class 968/236)
- Sounding bodies; boxes used as sounding cases; fixation on or in the case (sounding bodies subclass 225; case enhancing transmission of sound waves subclass 303) [G04B 23/02H] (Class 968/237)
- With coarse and fine setting of the preselected times [G04B 23/04] (Class 968/238)
- Adjustable for several preselected times with automatic stopping of the signal [G04B 23/06] (Class 968/239)
- Operating on successive days without resetting; operating only once in each 24 hours [G04B 23/08] (Class 968/240)
- With pre-signal; with repeated signal; with changeable intensity of sound [G04B 23/10] (Class 968/241)
- Alarm watches to be worn in pockets or on the wrist (giving signals by stimulating the skin subclass 246) [G04B 23/12] (Class 968/242)
There are no patents to show for this class.
