Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
219 words
A conversion circuit comprising: a. first and second power supply terminals adapted for connection respectively to high and low potentials of a DC power source; b. first and second transistors each having a base, emitter, and collector, the bases of said first and second transistors being commonly connected to each other; c. first resistance means having first and second ends with the first end thereof connected to the emitter of said first transistor; d. second resistance means connected between the emitter of said second transistor and said first power supply terminal and having a resistance value substantially equal to that of said first resistance means; e. input voltage supply means connected to said second end of said first resistance means and said first power supply terminal for supplying an input voltage; f. first and second current supply means respectively connected between the collector of said first transistor and said second power supply terminal and between the collector of said second transistor and said second power supply terminal for supplying said first and second transistors with currents; and g. output control means having the main current path thereof connected between the emitter of said second transistor and an output terminal and being controlled by the signal from the connecting point between said second transistor and said second current supply means.
Claim 2
Dependent Claim
219 words
A conversion circuit comprising: a. first and second power supply terminals adapted for connection respectively to high and low potentials of a DC power source; b. first and second transistors each having a base, emitter, and collector, the bases of said first and second transistors being commonly connected to each other; c. first resistance means having first and second ends with the first end thereof connected to the emitter of said first transistor; d. second resistance means connected between the emitter of said second transistor and said first power supply terminal and having a resistance value substantially equal to that of said first resistance means; e. input voltage supply means connected to said second end of said first resistance means and said first power supply terminal for supplying an input voltage; f. first and second current supply means respectively connected between the collector of said first transistor and said second power supply terminal and between the collector of said second transistor and said second power supply terminal for supplying said first and second transistors with currents; and g. output control means having the main current path thereof connected between the emitter of said second transistor and an output terminal and being controlled by the signal from the connecting point between said second transistor and said second current supply means.
Claim 3
Dependent Claim
17 words
A conversion circuit according to claim 1, wherein said output control means is comprised of a transistor.
Claim 4
Dependent Claim
49 words
A conversion circuit according to claim 1 further comprising third and fourth transistors having the collector current paths thereof connected between said first transistor and said first current supply means and between said second transistor and said second current supply means, respectively, and having the bases thereof commonly connected.
Claim 5
Dependent Claim
100 words
A conversion circuit according to claim 3 further comprising: a. a fifth transistor having the collector current path thereof connected between the commonly connected bases of said first and second transistors and said second power supply terminal and the base thereof connected to the connection point of said second and fourth transistors; and b. a sixth transistor having the collector current path thereof connected between the commonly connected bases of said third and fourth transistors and said second power supply terminal and the base thereof connected to the connection point of said third transistor and said first current supply means.
Claim 6
Dependent Claim
37 words
A conversion circuit according to claim 1 further comprising a DC voltage source connected between an electrode of said output control means and said second power supply terminal for biasing the electrode of said output control means.
Claim 7
Dependent Claim
26 words
A conversion circuit according to claim 1 further comprising a load connected between an electrode of said output control means and said second power supply teriminal.
Claim 8
Dependent Claim
22 words
A conversion circuit according to claim 1, 5 or 6 wherein said output control means is comprised of a Darlington-connected transistor pair.