Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
184 words
An ultrasonic wave transmitting and receiving apparatus comprising an ultrasonic wave transmitting device for emitting ultrasonic wave beams being focussed, provided with a control signal generating unit for generating control signals in turn in a circulating manner, a delay pulse signal generating unit for generating a plurality of delay pulse signals in respective prescribed delay times in response to control signals from said control signal generating unit, a plurality of drive signal generating units for generating drive signals in delay times corresponding to those of said delay pulse signals in response to delay pulse signals from said delay pulse signal generating unit, a switching circuit unit having a plurality of electronic switches designed to perform the switching operation by being displaced in turn one by one for every prescribed number of switches so as to supply drive signals from said drive signal generating units to prescribed electro-acoustic conversion elements, respectively; and an ultrasonic wave receiving device for receiving the reflected waves of said ultrasonic wave beams and detecting ultrasonic wave receiving signals via said switching circuit unit and composing said signals through delay means.
Claim 2
Dependent Claim
184 words
An ultrasonic wave transmitting and receiving apparatus comprising an ultrasonic wave transmitting device for emitting ultrasonic wave beams being focussed, provided with a control signal generating unit for generating control signals in turn in a circulating manner, a delay pulse signal generating unit for generating a plurality of delay pulse signals in respective prescribed delay times in response to control signals from said control signal generating unit, a plurality of drive signal generating units for generating drive signals in delay times corresponding to those of said delay pulse signals in response to delay pulse signals from said delay pulse signal generating unit, a switching circuit unit having a plurality of electronic switches designed to perform the switching operation by being displaced in turn one by one for every prescribed number of switches so as to supply drive signals from said drive signal generating units to prescribed electro-acoustic conversion elements, respectively; and an ultrasonic wave receiving device for receiving the reflected waves of said ultrasonic wave beams and detecting ultrasonic wave receiving signals via said switching circuit unit and composing said signals through delay means.
Claim 3
Dependent Claim
112 words
An ultrasonic wave transmitting and receiving apparatus according to claim 1 wherein said delay pulse generating unit comprises a plurality of OR gates selectively operated to generate output signals in response to control signals generated in turn from said control signal generating unit, a plurality of delay circuit units each having a different prescribed length of delay time, a plurality of AND gates selectively operated to generate output signals in response to the respective outputs from said delay circuit units and OR gates, and a plurality of OR gates for generating output signals in delay times corresponding to those of said delay circuit units in response to outputs from said AND gates.
Claim 4
Dependent Claim
36 words
An ultrasonic wave transmitting and receiving apparatus according to claim 1 wherein said switching circuit unit includes a switch controlling circuit for generating control signals for selectively operating said electronic switches of said switching circuit unit.
Claim 5
Dependent Claim
67 words
An ultrasonic wave transmitting and receiving apparatus according to claim 3 wherein each of said electronic switches includes a pulse transformer connected to a prescribed one of said drive signal generating units and a semiconductor switching element for passing therethrough drive signals generated via said pulse transformer from said prescribed one of the drive signal generating units, in response to control signals from said switch controlling circuit.
Claim 6
Dependent Claim
97 words
An ultrasonic wave transmitting and receiving apparatus according to claim 1 wherein said ultrasonic wave receiving device includes a plurality of amplifiers for respectively amplifying ultrasonic wave signals detected via said switching circuit unit, an ultrasonic wave signal switching circuit having a plurality of electronic switches made to perform the switching operation so as to supply the respective outputs from said amplifiers to prescribed delay circuits, a plurality of delay circuit units for equalizing the delay times of ultrasonic wave receiving signals obtained via said switch circuit, and means for composing outputs from said delay circuit units.