US1937673A - Telephone stand - Google Patents

Description

TELEPHONE STAND Filed NOV. 28, 1932 1 I N V EN TOR- fi fiaza jiawi/f A TTORNE Y.

Patented Dec. 5, 1933 UNITED STATES 1,937,673 I TELEPHONE'STAND H Charles H. Spencer, J12, Springfield, Mass.

Applicant NovemberZS, 1932 Serial No.'644,697

3 Claims.

. This invention relates to improvements in radio apparatus and is directed more particularly to apparatus for connectihgand disconnecting radio apparatus to an antenna-ground circuit.

The principal ,objectsof the invention are directed to the provision of a support for a telephone or the like, which may be removably placed thereon and has associated therewith means for inductively coupling a telephone wiring system to ia radio receiver for receiving purposes. Special means is provided for disconnecting or short circuiting the means connecting the support and receiver when the telephone is removed from and placedon the support.

According to a special feature of the invention I make use of the wiring system including a telephone by inductively coupling thesame to a radio receiver. When it is desired to receive radio impulses a telephone is placed on the support and when it is desired to remove and use the tele- 'phone the inductive coupling between the radio receiver and telephone system is automatically short circuited or disconnected.

Various novel features and advantages of the invention will be more fully hereinafter referred to in connection with the accompanying description of the preferred form thereof, which for purposes of disclosure is shown in the accompanying drawing wherein: v

Fig. 1 is a diagrammatic elevational view at a small scale showing the apparatus of the invention associated with a radio receiver inductively coupled to a telephone system. ,7

Fig. 2 is a sectional elevational view through the apparatus of the invention showing certain details of the novel construction.

Referring now to the drawing more in detail the invention will be fully described. v

A support 2 is provided which may be of any suitable form or size and is adapted on itsupper side to support a telephone transmitting and receiving set of well known form such as is shown by dotted lines and indicated generally by T.

The support is. preferably made of some non' metallic material and carries on its lower side a coupling plate member 4'Whl0h may be of metallic atively bears on the outer end of the contact member as shown in Fig. 2. i

I The'contact. member will be made of relatively yieldable, spring-like material. The button'IO" is so arranged that when the telephone T is placed on on the support. 2 as in'Fig. 2 it will bear on the button and move the contact 6 out of contact with the plate .4. When thetelephone islift'ed from off the support 2 the resiliency of the contact member will cause its outer end to bear against the under face of theplate 4.

In use the plate member 4 as shown in Fig. 1 may be connected as by a wire 12 to an antenna post A of the radio receiver R. The contact 6 may be connected to a ground post G of the radio 7 receiver by a wire 13 which is in turn connected to the ground as by a wire 15.

As will be noted with reference to the diagrammatic view in Fig. 1 when the telephone T is on the support, the contact member 6 is out of con- 7 tact with the plate 4. In this way what may be called the antenna circuit will extend from the antenna post of the receiver to the telephone and its associated wiring system, whereby radio signals picked up by the telephone system will be transmitted by induction to the receiver R, the ground G of the receiver being connected to the ground as shown.

When the telephone T is lifted from off the support 4 however, so as to release the button 10, the contact 6 by reason of its resiliency will engage the under face of the plate 4.

With the contact 6 is contact with the plate 4, the antenna-ground circuit is short circuited or at least the radio receiver is detuned so that the 1 receiver is silenced or entirely cut off. The short circuiting of the radio circuit is desirable so that the output from the receiver will not interfere with a person using the telephone. When the telephone is again set upon the support the contact will be moved downwardly to open the circuit 7 whereby the radio receiver is then inductively coupled to the telephone wiring system.

, The support may, as stated, take various forms and shapes as will be adapted to receive such 199 Having described the invention in the form at present preferred, what it isdesired to claim and I secure by Letters Patent of the United States is: i

1.' The combination with a radio receiver having ground and antenna connections and a'tele-v phone of meansfor capacitatively coupling said telephone to said radio comprising, a support for said telephone having'an upper supporting surface,a metallicmember below said surface, a contact associated with said support movableinto and out of contact with said member, a button movable in said support and depressible by a-tele-j phone set thereon to actuate said contact and,

tact associated with said support and movable into and out of contact with said member, a button movable in said support and depre'ssible by a telephone set on said upper supporting surface to actuate said contact, and wiringconnections between said member and said antenna connections and between said contact and said ground connecto move said contact out of contact withsaid tions, all adapted and arranged whereby when I said telephone is set on saidsupport it operates member and said telephone is capacitatively cou- I pled to said radiio. p a 3. The'combination with a radio receiver having ground and antenna connections and fatelephone of meansfor capacitatively coupling said telephone tosaid radio comprising, a supportfor saidteleplione having an upper supporting surface, a metallic member below said surface, a contact associated with said support and movable into and out oficontact with said member, a button movable in said support and depressible by a telephone set on said upper supporting surface to actuate said contact, and wiring connections between said member and said ground connections and between said contact and said antenna connections, all adapted and arranged whereby when said telephone is set on said support it operates to' move said contact out of contact with said mem ber and said telephone is capa'citatively'coupled to said radio. 1

CHARLES H. SPENCER, JR. 7

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