Cordless pen telephone handset

摘要: A fully functional writing pen having incorporated therein electronic circuitry including a miniature microphone and earpiece speaker serving as handset in cordless telephone system. The communicate via an ultrasonic link to transceiver provided portable, pocket-sized keypad dialer, which provides RF base station connected by conventional means network. dialer also may on cellular phone network using transvertor adaptor, alternatively direct person-to-person communication with DPRS handsets or other similarly equipped users is possible without the set of depressable control buttons body enable fingertip system, on-hook/off-hook switch button mute for private conversation screening during calls. Upon receiving incoming calls, activated ringing signal so that user can answer call depression button. pen-mounted pressure sensor contact cartridge, provision various system functions, such access volume control. An alarm clock within portable signals earpiece, audible reminder important time-related activities conveniently provided. For conference use loudspeaker switched off alternate release buttons.