Am-fm radio receiver

Claim 2

IN COMBINATION AM AND FM RADIO RECEIVING APPARATUS, A SINGLE RECEIVING ANTENNA, A FIRST HIGH FREQUENCY AMPLIFYING MEANS TUNABLE TO PASS WAVES HAVING FREQUENCIES WITHIN A FIRST BAND DIRECTLY CONNECTED TO SAID ANTENNA TO AMPLIFY WAVES FREQUENCIES WITHIN THE FIRST BAND, MIXING MEANS CONNECTED TO THE FIRST HIGH FREQUENCY AMPLIFYING MEANS TO GENERATE INTERMEDIATE FREQUENCY WAVES, A FILTER CHOKE SECTION CONNECTED TO THE ANTENNA INCLUDING COMPONENTS HAVING HIGH IMPEDANCE VALUES AT FREQUENCIES WITHIN THE FIRST BAND OF FREQUENCIES AND LOW IMPEDANCE VALUES AT THE INTERMEDIATE FREQUENCY, A SECOND HIGH FREQUENCY AMPLIFYING MEANS TUNABLE TO PASS WAVES HAVING FREQUENCIES WITHIN A SECOND BAND SPACED AT SOME DISTANCE FROM THE FIRST BAND AND HAVING A LOW IMPEDANCE TO SAID FIRST BAND OF FREQUENCIES CONNECTED TO MICING MEANS AND TO THE FILTER CHOKE SECTION AT APOINT BETWEEN THE COMPONENTS HAVING HIGH IMPEDANCE VALUES AT FREQUENCIES WITHIN THE FIRST BAND AND LOW IMPEDANCE AT THE INTERMEDIATE FREQUENCY SO THAT INCOMING WAVES WILL BE AMPLIFIED BY EITHER THE FIRST OR SECOND HIGHU FREQUENCY AMPLIFYING MEANS DEPENDING UPON THE FREQUENCY OF THE WAVES BEING RECEIVED WITHOUT THE NECESSITY OF ANY MECHANICAL SWITCHING.

Claim 3

IN COMBINATION AM AND FM RADIO RECEIVING APPARATUS, ANTENNA MEANS FOR RECEIVING EITHER AM OR FM SIGNALS WITHIN SPACED FREQUENCY BANDS, A FIRST RADIO FREQUENCY AMPLIFYING MEANS TUNABLE OVER THE FM FREQUENCY BAND CONNECTED TO THE ANTENNA MEANS TO RECEIVE SIGNALS THEREFROM, A FIRST LOCAL OSCILLATOR CONNECTED TO THE FIRST RADIO FREQUENCY AMPLIFYING MEANS TO PRODUCE A WAVE FREQUENCY TO HETERODYNE WITH THE INCOMING FM WAVE AND PRODUCE AN IF WAVE OF A FIRST FREQUENCY FOR FM RECEPTION, A SECOND RADIO FREQUENCY BAND CONNECTED TO THE TUNABLE OVER THE AM FREQUENCY BAND CONNECTED TO THE ANTENNA MEANS, A SECOND LOCAL OSCILLATOR CONNECTED TO THE SECOND RADIO FREQUENCY AMPLIFYING MEANS TO PRODUCE A WAVE FREQUENCY TO HETERODYNE WITH TTHE INCOMING AM WAVE AND PRODUCE AN IF WAVE OF A SECOND FREQUENCY FOR AM RECEPTION, A MULTI-STAGE AMPLIFYING MEANS PERMANENTLY CONNECTED TO THE FIRST AND SECOND RADIO FREQUENCY AMPLIFYING MEANS TO AMPLIFY THE AM AND FM IF WAVES DEVELOPED THEREBY AND HAVING TWO FREQUENCY SELECTIVE CHANNELS, ONE FOR PASSING THE FM IF FREQUENCY SIGNALS AND THE SECOND FOR PASSING THE AM RF AND IF FREQUENCY SIGNALS SO THAT EITHER FM SIGNALS OR AM SIGNALS CAN BE RECEIVED AND AMPLIFIED THROUGH THE COMMON AMPLIFYING MEANS WITHOUT MECHANICAL SWITCHING IN SAID MULTI-STAGE AMPLIFYING MEANS, DISCRIMINATOR MEANS CONNECTED TO THE OUTPUT OF THE IF CHANEL FOR PASSING FM SIGNALS TO CONVERT THOSE SIGNALS TO AUDIO FREQUENCY SIGNALS, DETECTOR MEANS CONNECTED TO THE OUTPUT OF THE IF CHANNEL FOR PASSING AM SIGNALS TO CONVERT THOSE SIGNALS TO AUDIO FREQUENCY SIGNALS, AUDIO AMPLIFYING MEANS AND SWITCHING MEANS CONNECTED TO THE AUDIO AMPLIFYING MEANS, THE DISCRIMINATOR MEANS AND THE DETECTOR MEANS TO ALTERNATELY CONNECT THE AUDIO AMPLIFYING MEANS EITHER TO THE DISCRIMINATOR MEANS OR THE DETECTOR MEANS DEPENDING UPON WHICH TYPE OF SIGNAL IS BEING RECEIVED.

Claim 4

IN COMBINATION AM AND FM RADIO RECEIVING APPARATUS, ANTENNA MEANS FOR RECEIVING EITHER AM OR FM SIGNALS WITHIN SPACED FREQUENCY BANDS, A FIRST RADIO FREQUENCY AMPLIFYING MEANS TUNABLE OVER THE FM FREQUENCY BAND CONNECTED TO THE ANTENNA MEANS TO RECEIVE SIGNALS THEREFROM, A FIRST LOCAL OSCILLATOR CONNECTED TO THE FIRST RADIO FREQUENCY AMPLIFYING MEANS TO PRODUCE A WAVE FREQUENCY TO HETERODYNE WITH THE INCOMING FM WAVE AND PRODUCE AN IF WAVE OF A FIRST FREQUENCY FOR FM RECEPTION, A SECOND RADIO FREQUENCY BAND CONNECTED TO THE TUNABLE OVER THE AM FREQUENCY BAND CONNECTED TO THE ANTENNA MEANS, A SECOND LOCAL OSCILLATOR CONNECTED TO THE SECOND RADIO FREQUENCY AMPLIFYING MEANS TO PRODUCE A WAVE FREQUENCY TO HETERODYNE WITH TTHE INCOMING AM WAVE AND PRODUCE AN IF WAVE OF A SECOND FREQUENCY FOR AM RECEPTION, A MULTI-STAGE AMPLIFYING MEANS PERMANENTLY CONNECTED TO THE FIRST AND SECOND RADIO FREQUENCY AMPLIFYING MEANS TO AMPLIFY THE AM AND FM IF WAVES DEVELOPED THEREBY AND HAVING TWO FREQUENCY SELECTIVE CHANNELS, ONE FOR PASSING THE FM IF FREQUENCY SIGNALS AND THE SECOND FOR PASSING THE AM RF AND IF FREQUENCY SIGNALS SO THAT EITHER FM SIGNALS OR AM SIGNALS CAN BE RECEIVED AND AMPLIFIED THROUGH THE COMMON AMPLIFYING MEANS WITHOUT MECHANICAL SWITCHING IN SAID MULTI-STAGE AMPLIFYING MEANS, DISCRIMINATOR MEANS CONNECTED TO THE OUTPUT OF THE IF CHANEL FOR PASSING FM SIGNALS TO CONVERT THOSE SIGNALS TO AUDIO FREQUENCY SIGNALS, DETECTOR MEANS CONNECTED TO THE OUTPUT OF THE IF CHANNEL FOR PASSING AM SIGNALS TO CONVERT THOSE SIGNALS TO AUDIO FREQUENCY SIGNALS, AUDIO AMPLIFYING MEANS AND SWITCHING MEANS CONNECTED TO THE AUDIO AMPLIFYING MEANS, THE DISCRIMINATOR MEANS AND THE DETECTOR MEANS TO ALTERNATELY CONNECT THE AUDIO AMPLIFYING MEANS EITHER TO THE DISCRIMINATOR MEANS OR THE DETECTOR MEANS DEPENDING UPON WHICH TYPE OF SIGNAL IS BEING RECEIVED.