Radio-receiver-built-in flash camera

Claim 2

A radio-receiver-built-in flash camera comprising: a radio receiver and an electronic flash apparatus whose flash discharge tube is flashed with the electrical energy of a main discharge capacitor charged up from a source battery through a DC-DC converter which comprises an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, said converter converting a voltage of the source voltage to a stepped-up DC voltage; a voltage indication circuit comprising a first light emitting diode is lit by said voltage indication circuit when a charging voltage of said main discharge capacitor reaches a predetermined value; a tuning indication circuit comprising a second light emitting diode which is lit by said tuning indication circuit of said radio receiver when the frequency tuning of said radio receiver is accomplished; and a change-over switch by which the feeding of the electrical energy from said source battery is directed to a selected one of the pairs of said radio receiver and said tuning indication circuit; and said electronic flash apparatus and said voltage indication circuit; said voltage indication circuit being configured in a manner that the first emitting diode is connected to the auxiliary winding generating a light emitting diode driving voltage proportional to the charging voltage of the main discharge capacitor and said first light emitting diode is lit in accordance with the generating voltage of said auxiliary winding, said light emitting driving voltage being sufficiently lower than the voltage of said main discharge capacitor; and said tuning indication circuit being configured in a manner to be operated by the output from the radio receiver and further comprising a current feeding circuit which enables the current feed from the source battery to the second light emitting diode.

Claim 3

A radio receiver-built-in flash camera comprising: a radio receiver and an electronic flash apparatus whose flash discharge tube is flashed with the electrical energy of a main discharge capacitor charged up from a source battery through a DC-DC converter which comprises an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, said converter converting a voltage of the source voltage to a stepped-up DC voltage; a voltage indication circuit comprising a first light emitting diode which is lit by said voltage indication circuit when a charging voltage of said main discharge capacitor reaches a predetermined value; a tuning indication circuit comprising a second light emitting diode which is lit by said tuning indication circuit of said radio receiver when the frequency tuning of said radio receiver is accomplished; and a change-over switch by which the feeding of the electrical energy from said source battery is directed to a selected one of the pairs of said radio receiver and said tuning indication circuit, and said electronic flash apparatus and said voltage indication circuit; the voltage indication circuit further comprising a circuit connected to said auxiliary winding for detecting the voltage of the main discharge capacitor, the first light emitting diode being lit by the output of said voltage indication circuit, and the tuning indication circuit being configured in a manner to be operated by the output from the radio receiver and further comprising a current feeding circuit which enables the current feed from the source battery to the second light emitting diode.

Claim 4

A radio receiver-built-in flash camera comprising: a radio receiver and an electronic flash apparatus whose flash discharge tube is flashed with the electrical energy of a main discharge capacitor charged up from a source battery through a DC-DC converter which comprises an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, said converter converting a voltage of the source voltage to a stepped-up DC voltage; a voltage indication circuit comprising a first light emitting diode which is lit by said voltage indication circuit when a charging voltage of said main discharge capacitor reaches a predetermined value; a tuning indication circuit comprising a second light emitting diode which is lit by said tuning indication circuit of said radio receiver when the frequency tuning of said radio receiver is accomplished; and a change-over switch by which the feeding of the electrical energy from said source battery is directed to a selected one of the pairs of said radio receiver and said tuning indication circuit, and said electronic flash apparatus and said voltage indication circuit; the voltage indication circuit further comprising a circuit connected to said auxiliary winding for detecting the voltage of the main discharge capacitor, the first light emitting diode being lit by the output of said voltage indication circuit, and the tuning indication circuit being configured in a manner to be operated by the output from the radio receiver and further comprising a current feeding circuit which enables the current feed from the source battery to the second light emitting diode.

Claim 5

A radio-receiver-built-in flash camera of claim 1 or 2, wherein the respective emitted colors of the first light emitting diode and the second light emitting diode are different.

Claim 6

A radio-receiver-built-in flash camera of claim 1 or claim 2 wherein the first light emitting diode and the second light emitting diode are moulded in a single plastic mould.

Claim 7

A radio-receiver-built-in flash camera of claim 4 wherein a lens is provided at the top face of the plastic mould.

Claim 8

A radio-receiver-built-in flash camera comprising: a radio receiver and an electronic flash apparatus whose flash discharge tube is flashed with the electrical energy of a main discharge capacitor charged up from a source battery through a DC-DC converter which comprises an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, said converter converting a voltage of the source voltage to a stepped-up DC voltage; a voltage indication circuit which makes a light emitting diode emit light when a charging voltage of said main discharge capacitor reaches a predetermined value; a tuning indication circuit which operates by the output of said radio receiver and makes said light emitting diode emit light wnen the frequency tuning of the radio receiver is accomplished; a change-over switch by which the current feeding from said source battery is directed to a selected one of the pairs of said radio receiver and said tuning indication circuit, and said electronic flash apparatus and said voltage indication circuit; and an interlocked switch which is interlocked to the switching movement of said change-over switch and changes over the connection of said light emitting indicator element to a selected one of said voltage indication circuit and said tuning indication circuit; said voltage indication circuit being configured in a manner that the light emitting diode is lit in accordance with a generating light emitting diode drive voltage across the auxiliary winding which is proportional to the charging voltage of the main discharge capacitor, said light emitting diode driving voltage being sufficiently lower than the voltage of said main discharge capacitor; said tuning indication circuit being configured in a manner to operate by the output of the radio receiver and further comprising a current feeding circuit for feeding the current from the source battery to said light emitting diode.

Claim 9

A radio-receiver-built-in flash camera comprising: a radio receiver and an electronic flash apparatus whose flash discharge tube is flashed with the electrical energy of a main discharge capacitor charged up from a source battery through a DC-DC converter which comprises an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, said converter converting a voltage of the source voltage to a stepped-up DC voltage; a voltage indication circuit which makes a light emitting diode emit light when a charging voltage of said main discharge capacitor reaches a predetermined value; a tuning indication circuit which operates by the output of said radio receiver and makes said light emitting diode emit light wnen the frequency tuning of the radio receiver is accomplished; a change-over switch by which the current feeding from said source battery is directed to a selected one of the pairs of said radio receiver and said tuning indication circuit, and said electronic flash apparatus and said voltage indication circuit; and an interlocked switch which is interlocked to the switching movement of said change-over switch and changes over the connection of said light emitting indicator element to a selected one of said voltage indication circuit and said tuning indication circuit; said voltage indication circuit being configured in a manner that the light emitting diode is lit in accordance with a generating light emitting diode drive voltage across the auxiliary winding which is proportional to the charging voltage of the main discharge capacitor, said light emitting diode driving voltage being sufficiently lower than the voltage of said main discharge capacitor; said tuning indication circuit being configured in a manner to operate by the output of the radio receiver and further comprising a current feeding circuit for feeding the current from the source battery to said light emitting diode.

Claim 10

A radio-reciver-built-in flash camera of claim 6 wherein the voltage indication circuit is configured in a manner to include a voltage detection circuit which detects the charging voltage of the main discharge capacitor and makes the light emitting diode emit light in accordance therewith.

Claim 11

A radio-receiver-built-in flash camera comprising: a radio receiver and an electronic flash apparatus whose flash discharge tube is flashed with the electrical energy of a main discharge capacitor charged up from a source battery through a DC-DC converter which comprises an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, an auxiliary winding, and a separate winding for generating a voltage in proportion to the charging voltage of said main discharge capacitor, said converter converting a voltage of the source battery to a stepped-up DC voltage; a voltage indication circuit comprising a first light emitting diode which is configurated in a manner such that said first light emitting diode is connected to said separate winding provided in the oscillator transformer which generates a light emitting diode driving voltage proportional to the charging voltage of said main discharge capacitor and said first light emitting diode is lit in accordance with the generating voltage of said separate winding, said light emitting diode driving voltage being sufficiently lower than the voltage of said main discharge capacitor; a tuning indication circuit which is configurated in a manner to operate by the output from the radio receiving comprising a second light emitting diode and a current feeding circuit which enables the current feed from the source battery to said second light emitting diode when the frequency tuning of said radio receiver is accomplished; and a change-over switch by which the feeding of the electrical energy from said source battery is directed to a selected one of the pairs of said radio receiver and said tuning indication circuit, and said electronic flash apparatus and said voltage indication circuit, wherein a terminal of one side of said first light emitting diode and a terminal of the same side of said second light emitting diode are connected in common and to a terminal of one side of said source battery.

Claim 12

A radio-receiver-built-in flash camera comprising: a radio receiver and an electronic flash apparatus whose flash discharge tube is flashed with the electrical energy of a main discharge capacitor charged up from a source battery through a DC-DC converter which comprises an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, an auxiliary winding, and a separate winding for generating a voltage in proportion to the charging voltage of said main discharge capacitor, said converter converting a voltage of the source battery to a stepped-up DC voltage; a voltage indication circuit comprising a first light emitting diode which is configurated in a manner such that said first light emitting diode is connected to said separate winding provided in the oscillator transformer which generates a light emitting diode driving voltage proportional to the charging voltage of said main discharge capacitor and said first light emitting diode is lit in accordance with the generating voltage of said separate winding, said light emitting diode driving voltage being sufficiently lower than the voltage of said main discharge capacitor; a tuning indication circuit which is configurated in a manner to operate by the output from the radio receiving comprising a second light emitting diode and a current feeding circuit which enables the current feed from the source battery to said second light emitting diode when the frequency tuning of said radio receiver is accomplished; and a change-over switch by which the feeding of the electrical energy from said source battery is directed to a selected one of the pairs of said radio receiver and said tuning indication circuit, and said electronic flash apparatus and said voltage indication circuit, wherein a terminal of one side of said first light emitting diode and a terminal of the same side of said second light emitting diode are connected in common and to a terminal of one side of said source battery.

Claim 13

A radio-receiver-built-in flash camera of claim 1 or claim 2 wherein the first light emitting diode and the second light emitting diode are mounted in a single case.

Claim 14

A radio-receiver-built-in flash camera of claim 9 wherein a lens is provided at the top face of the case.

Claim 15

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus having a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and providing a flash; a voltage indication circuit coupled to said electronic flash apparatus and comprising a first light emitting diode, for indirectly detecting and indicating when the charging voltage across said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit coupled to said radio receiver and comprising a second light emitting diode for indicating when the frequency tuning of the radio receiver is accomplished; and a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs.

Claim 16

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus having a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and providing a flash; a voltage indication circuit coupled to said electronic flash apparatus and comprising a first light emitting diode, for indirectly detecting and indicating when the charging voltage across said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit coupled to said radio receiver and comprising a second light emitting diode for indicating when the frequency tuning of the radio receiver is accomplished; and a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs.

Claim 17

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus comprising a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, said DC-DC converter including an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and PG,24 providing a flash, wherein a voltage develops across said auxiliary winding which is proportional to the charging voltage received by said discharge capacitor; a voltage indication circuit coupled to the auxiliary winding of said DC-DC converter and comprising a first light emitting diode for indicating when the charging voltage across said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit comprising a second light emitting diode and a current feeding circuit, said current feeding circuit coupled to said radio receiver for enabling the current feed from said storage battery to said second light emitting indicator element for indicating when the frequency tuning of said radio receiver is accomplished; and a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs.

Claim 18

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus comprising a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, said DC-DC converter including an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and PG,24 providing a flash, wherein a voltage develops across said auxiliary winding which is proportional to the charging voltage received by said discharge capacitor; a voltage indication circuit coupled to the auxiliary winding of said DC-DC converter and comprising a first light emitting diode for indicating when the charging voltage across said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit comprising a second light emitting diode and a current feeding circuit, said current feeding circuit coupled to said radio receiver for enabling the current feed from said storage battery to said second light emitting indicator element for indicating when the frequency tuning of said radio receiver is accomplished; and a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs.

Claim 19

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus comprising a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, said DC-DC converter including an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, an auxiliary winding, and a separate winding, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and providing a flash, wherein a voltage develops across said separate winding which is proportional to the charging voltage received by said discharge capacitor; a voltage indication circuit comprising a first light emitting diode having a first end and a second end, the first end of said first light emitting indicator element coupled to said separate winding and the second end of said first light emitting indicator element coupled to one end of said storage battery for indicating when a charging voltage of said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit for indicating when the frequency tuning of the radio receiver is accomplished comprising a second light emitting diode having a first end and a second end and a current feeding circuit, said current feeding circuit coupled to said radio receiver and to the first end of said second light emitting indicator element for enabling the current feed from said storage battery to said second light emitting indicator element, and the second end of said second light emitting indicator element coupled to the one end of said storage battery, whereby the second end of said first light emitting indicator element and the second end of said second light emitting indicator element are coupled to each other; and a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs.

Claim 20

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus comprising a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, said DC-DC converter including an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, an auxiliary winding, and a separate winding, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and providing a flash, wherein a voltage develops across said separate winding which is proportional to the charging voltage received by said discharge capacitor; a voltage indication circuit comprising a first light emitting diode having a first end and a second end, the first end of said first light emitting indicator element coupled to said separate winding and the second end of said first light emitting indicator element coupled to one end of said storage battery for indicating when a charging voltage of said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit for indicating when the frequency tuning of the radio receiver is accomplished comprising a second light emitting diode having a first end and a second end and a current feeding circuit, said current feeding circuit coupled to said radio receiver and to the first end of said second light emitting indicator element for enabling the current feed from said storage battery to said second light emitting indicator element, and the second end of said second light emitting indicator element coupled to the one end of said storage battery, whereby the second end of said first light emitting indicator element and the second end of said second light emitting indicator element are coupled to each other; and a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs.

Claim 21

A radio-receiver-built-in flash camera as recited in claim 11, 12 or 13 wherein said first light emitting diodes emits light of one color and sid second light emitting diode emits light of a second color unlike the color emitted by said first light emitting diode.

Claim 22

A radio-receiver-built-in flash camera as recited in claim 11, 12 or 13 wherein said first light emitting diode and said second light emitting diode are molded into a single plastic mold.

Claim 23

A radio-receiver-built-in flash camera as recited in claim 15 further comprising a lens mounted at the top face of said plastic mold.

Claim 24

A radio-receiver-built-in flash camera as recited in claim 11, 12, or 13 wherein said first light emitting diode and said second light emitting diode are mounted in a case.

Claim 25

A radio-receiver-built-in flash camera as recited in claim 17 further comprising a lens mounted at the top face of said case.

Claim 26

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus having a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and providing a flash; a voltage indication circuit coupled to said electronic flash apparatus for indirectly measuring a condition, said condition being when a charging voltage of said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit coupled to said radio receiver for measuring another condition, said another condition being when the frequency tuning of the radio receiver is accomplished; a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs; an interlocking switch responsive to the switching movement of said change-over switch; and a light emitting diode coupled to said interlocking switch and selectively coupled by said interlocking switch to one of said voltage indication circuit and said tuning indication circuit for indicating one of said condition and said another condition respectively.

Claim 27

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus having a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and providing a flash; a voltage indication circuit coupled to said electronic flash apparatus for indirectly measuring a condition, said condition being when a charging voltage of said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit coupled to said radio receiver for measuring another condition, said another condition being when the frequency tuning of the radio receiver is accomplished; a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs; an interlocking switch responsive to the switching movement of said change-over switch; and a light emitting diode coupled to said interlocking switch and selectively coupled by said interlocking switch to one of said voltage indication circuit and said tuning indication circuit for indicating one of said condition and said another condition respectively.

Claim 28

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus comprising a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, said DC-DC converter including an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and providing a flash, wherein a voltage develops across said auxiliary winding which is proportional to the charging voltage received by said discharge capacitor for indicating a condition, said condition being when a charging voltage of said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit comprising a current feeding circuit, said current feeding circuit coupled to said radio receiver for enabling the current feed from said storage battery for indicating another condition, said another condition being when the frequency tuning of the radio receiver is accomplished; a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs; an interlocking switch responsive to the switching movement of said change-over switch; and a light emitting diode coupled to said interlocking switch and selectively coupled by said interlocking switch to one of said voltage indication circuit and said tuning indication circuit for indicating one of said condition and said another condition respectively.

Claim 29

A radio-receiver-built-in flash camera comprising: a storage battery; an electronic flash apparatus comprising a DC-DC converter for converting the voltage of said source battery to a stepped up DC voltage, said DC-DC converter including an oscillator transistor and an oscillator transformer having a primary winding, a secondary winding, and an auxiliary winding, a main discharge capacitor for receiving a charging voltage from said DC-DC converter, a trigger circuit for responding to said main discharge capacitor when said main discharge capacitor charges to a predetermined value of voltage, and a flash discharge tube for responding to the trigger circuit and providing a flash, wherein a voltage develops across said auxiliary winding which is proportional to the charging voltage received by said discharge capacitor for indicating a condition, said condition being when a charging voltage of said main discharge capacitor reaches said predetermined value; a radio receiver; a tuning indication circuit comprising a current feeding circuit, said current feeding circuit coupled to said radio receiver for enabling the current feed from said storage battery for indicating another condition, said another condition being when the frequency tuning of the radio receiver is accomplished; a change-over switch coupled to said storage battery and selectively coupled to one of the pairs of said electronic flash apparatus and said voltage indication circuit, and said radio receiver and said tuning indication circuit in order to connect said storage battery to a desired one of said pairs; an interlocking switch responsive to the switching movement of said change-over switch; and a light emitting diode coupled to said interlocking switch and selectively coupled by said interlocking switch to one of said voltage indication circuit and said tuning indication circuit for indicating one of said condition and said another condition respectively.

Claim 30

A radio-receiver-built-in flash camera as recited in claim 19 or 20 wherein said light emitting diode is molded into a single plastic mold.

Claim 31

A radio-receiver-built-in flash camera as recited in claim 21 further comprising a lens mounted at the top face of said plastic mold.

Claim 32

A radio-receiver-built-in flash camera as recited in claim 19 or 20 wherein said light emitting diode is mounted in a case.

Claim 33

A radio-receiver-built-in flash camera as recited in claim 23 further comprising a lens mounted at the top face of said case.