Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Modulator for use in an interface between a digital signal processing apparatus and an audio tape deck










Image Number 5 for United States Patent #4351008.

An improved modulator is capable of facilitating recording and reproducing on and from an audio cassette tape digital signals such as programs and numerical data coming from digital signal processing apparatus including an electronic cash register as well as providing safety for the audio cassette tape when in operation. The modulator includes a control circuit for detecting and counting carrier signals and outputting desired information in response to a data transfer instruction and a state detector governed by the control circuit wherein the carrier signals are sent out via data transfer lines when the detector is in a specific state. The control circuit may be implemented with a microprocessor.








 
 
  Recently Added Patents
ESD protection circuit and ESD protection device thereof
Etch resistant clearcoat
Optical signal output apparatus, electrical signal output apparatus, and test apparatus
Single-chain variable fragment (scFv) able to recognize and bind CD99 human protein
Adaptive flow for thermal cooling of devices
Method for transmitting an electronic short message to multiple receivers
Vanadium, cobalt and strontium additives for use in aluminum back solar cell contacts
  Randomly Featured Patents
Screw pump for conveying waste water and the like
Method and apparatus of creating application-specific, non-uniform wavelet transforms
Semiconductor device incorporating elements formed of refractory metal-silicon-nitrogen and method for fabrication
Golf cleat cleaning device
Declarative specification of model visualizations
Controlling plant fungi using streptomycetes grown on chitin
Sofa
Fire extinguisher accessory device providing voice instructions
Extender card
Water purification