CA1115408A - Telephone handset acoustic coupling cup - Google Patents
Telephone handset acoustic coupling cupInfo
- Publication number
- CA1115408A CA1115408A CA294,322A CA294322A CA1115408A CA 1115408 A CA1115408 A CA 1115408A CA 294322 A CA294322 A CA 294322A CA 1115408 A CA1115408 A CA 1115408A
- Authority
- CA
- Canada
- Prior art keywords
- cup
- cups
- case
- lip
- transducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
- H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
- H04M1/2155—Acoustic coupling
Abstract
IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
TELEPHONE HANDSET ACOUSTIC COUPLING CUP
ABSTRACT OF THE DISCLOSURE
A telephone handset acoustic coupling cup adapted for use as part of an acoustic data coupler wherein the cup has a flexible, gripping lip surrounding an opening for receiving a telephone handset transmitter or receiver case. Each of two acoustic coupling cups may additionally be eccentrically rotatably mounted on a case in a manner that their openings may varied in distance from one another by rotating the cups with respect to the case. The cups may also be flexible in a manner to be bendable with respect to said case, all with the view of providing an acoustic data coupler that can accept a wide variety of different sizes and shapes of telephone handsets.
TELEPHONE HANDSET ACOUSTIC COUPLING CUP
ABSTRACT OF THE DISCLOSURE
A telephone handset acoustic coupling cup adapted for use as part of an acoustic data coupler wherein the cup has a flexible, gripping lip surrounding an opening for receiving a telephone handset transmitter or receiver case. Each of two acoustic coupling cups may additionally be eccentrically rotatably mounted on a case in a manner that their openings may varied in distance from one another by rotating the cups with respect to the case. The cups may also be flexible in a manner to be bendable with respect to said case, all with the view of providing an acoustic data coupler that can accept a wide variety of different sizes and shapes of telephone handsets.
Description
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18 This invention relates generally to acoustic data 19 couplers, and particularly to the design of receiver and transmitter element containing cups thereon for establishing 21 a mechanical and acoustical coupling with telephone handsets 22 of various sizes.
23 Data couplers are becoming widely used as a means for 24 connecting computer equipment to an ordinary telephone line through a telephone handset. Such a coupler generally contains 26 audio transmitter and receiving elements on its case with the 27 elements being electrically connected therein so that 28 computing equipment can both receive and transmit computer 29 data over an ordinary telephone line. The telephone line is connected to the receiving and transmitting elements by 31 // - l -., .
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. ' ,I ' . ! ~ ' ' ' ' ' ~ ' ' ' ' ' ' ' ' 11~5408 1 placing a handset of an ordinary telephone in close contact
18 This invention relates generally to acoustic data 19 couplers, and particularly to the design of receiver and transmitter element containing cups thereon for establishing 21 a mechanical and acoustical coupling with telephone handsets 22 of various sizes.
23 Data couplers are becoming widely used as a means for 24 connecting computer equipment to an ordinary telephone line through a telephone handset. Such a coupler generally contains 26 audio transmitter and receiving elements on its case with the 27 elements being electrically connected therein so that 28 computing equipment can both receive and transmit computer 29 data over an ordinary telephone line. The telephone line is connected to the receiving and transmitting elements by 31 // - l -., .
. _ '~ ' .
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. ' ,I ' . ! ~ ' ' ' ' ' ~ ' ' ' ' ' ' ' ' 11~5408 1 placing a handset of an ordinary telephone in close contact
2 therewith. In order to maintain the contact and also exclude
3 some background noise from interferring with the data
4 transmission, acoustic coupling cups are utilized at each of s¦ the transmitter and receiver elements for contacting the 6 handset. Existing couplers of this type are exemplified by 7 the following United States Patents: 3,553,374 - Wolf (1971);
8 3,585,302 - Swan (1971); 3,719,783 - Kennedy (1973);
9 3,725,584 - Kilmer et al (1973); 3,733,437 - Keith (1973); and 3,992,583 - Davis et al (1976).
11 It is a principal object of the present invention to 12 provide an improved data coupler handset receiving cup that 13 holds a handset in place on the data coupler with improved 14 mechanical security, accepts a wider variation and sizes of handsets and which provides a close contact between the 1~ receiving and transmitting elements of the acoustic coupler 17 and the handset being carried thereby.
19 SU;~MARY OF THE INVENTION
These and additional objects are accomplished by the 21 various aspects of the present invention, wherein, briefly, 22 according to one aspect, a thin flexible resilient rubber-like 23 lip is held by a cup structure and extends inward therefrom 24 to form a circular opening. The lip has a free space beneath ;~
it within the cup so that when a handset piece having a 26 diameter larger than the opening is pushed therethrough the 27 lip opening attaches to the handset and stretches. As the 23 handset is pushed into the opening the lip curls downward.
29 This securely holds the handset in place and when it i9 .
attempted to pull it out of the cup there is a resilient 31 /~
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11154~)~3 1 ¦ holding force established by the curled lip. This tightness 2 ¦ permits mounting of the handset on the side or bottom of a 3 ¦ device without any further attachment device or clip being 4 ¦ necessary. The tightness of the lip around the handset also
8 3,585,302 - Swan (1971); 3,719,783 - Kennedy (1973);
9 3,725,584 - Kilmer et al (1973); 3,733,437 - Keith (1973); and 3,992,583 - Davis et al (1976).
11 It is a principal object of the present invention to 12 provide an improved data coupler handset receiving cup that 13 holds a handset in place on the data coupler with improved 14 mechanical security, accepts a wider variation and sizes of handsets and which provides a close contact between the 1~ receiving and transmitting elements of the acoustic coupler 17 and the handset being carried thereby.
19 SU;~MARY OF THE INVENTION
These and additional objects are accomplished by the 21 various aspects of the present invention, wherein, briefly, 22 according to one aspect, a thin flexible resilient rubber-like 23 lip is held by a cup structure and extends inward therefrom 24 to form a circular opening. The lip has a free space beneath ;~
it within the cup so that when a handset piece having a 26 diameter larger than the opening is pushed therethrough the 27 lip opening attaches to the handset and stretches. As the 23 handset is pushed into the opening the lip curls downward.
29 This securely holds the handset in place and when it i9 .
attempted to pull it out of the cup there is a resilient 31 /~
32 /~
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11154~)~3 1 ¦ holding force established by the curled lip. This tightness 2 ¦ permits mounting of the handset on the side or bottom of a 3 ¦ device without any further attachment device or clip being 4 ¦ necessary. The tightness of the lip around the handset also
5 ¦ provides an improved acoustic isolation of a re~eiver or
6 ¦ transmitter element within from the surrounding background
7 noise outside of the cup.
8 According to another aspect of the present invention,
9 a receiver or transmitter element carried with a cup is
10 ¦ mounted on a bottom portion that is resiliently urged upward
11 to provide a close contact with a receiver or transmitter
12 end of a telephone handset that may be pla-ed into the cup.
13 This is provided, in a preferred form, by supporting the
14 ¦ bottom cup portion through a resilient lip of thin, flexible rubber-like material. This permits a simplified, unitary 16 construction of the cup.
17 According to another aspect of the present invention, 1B the cup is rotatably mounted on the housing in a manner that i;
19 its axis of rotation is d~splaced from the center of the ¦ opening which receives the handset. The result is that the - 21 distance between openings can be varied by rotating one or 22 both of the acoustical cups, thereby accepting different 23 length handsets with the single acoustical coupler.
24 According to another aspect of the present invention, he portion of the cup that receives and contacts the handset 26 is mounted to a base portion attached to the case through a 27 resilient lip in a manner to permit tilting of the handset 23 receiving cup portion with respect to the base portion of the 29 cup. This feature provides an adjustment for handsets having .
different angular relationships and dimensions.
, 31 //
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' . ` , , : : ; ,: :` . : , ,` :~: . ' , ,' ,, ,;`, ., ,: :, ~115408 il 1 Each of the various aspects of the present invention 2 summarized above may be combined into a single cup structure .
3 or provided as individual improvements in existing cup 4 ¦ designs. Additional objects, advantages and features of the .
5 ¦ various aspects of the present invention will become apparent 6 from the following detailed description of their preferred .
7 embodiments.
Figure 1 illustrates an acoustic data coupler having 11 coupling cups according to one particular design;
12 Figures 2a, 2b and 2c are sectional views of one of the 13 cups of the acoustic data coupler at Figure l taken at 14 section 2a-2a thereof;
Figure 3 illustrates another acoustic data coupler 18 having coupling cups according to another particular design; .
17 Figure ~ is a top view of one of the coupling cups of 18 Figure 3;
19 Figure 5 is a cross-sectional view of one of the coupling cups of the coupler of Figure 3 taken acxoss section ;-5 21 thereof; ..
22 Figure 6 is a partially cut away and sectional view of 23 the other coupling cup of the coupler of Figure 3 taken 24 across section 6-6 thereof; and Figures 7a and 7b show in further sectional view the 26 acoustical cup of Figure 6 with handsets of widely varying 27 sizes held thereby.
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1 DESCRIPTION OF THE PREFERRED EMBOOIMENT :
2 Referring to Figure 1, an acoustic data coupler instrument 11 contains on one side surface thereof a receiver coupling cup 4 13 and a transmitter coupling cup 15 spaced apart in a manner to receive an ordinary ~elephone handset 17 illustrated in 6 ¦ dotted outline. The side of the data coupler 11 on which the 7 coupling cups 13 and 15 are installed is sùbstantially vertical.
8 ¦ Referring to Figure 2a, the cup 13 i5 described. The cup 13 is a single unitary element molded from a rubber-like plastic material. A wall portion 19 is generally circular and is made 11 thick enough to be fairly rigid and stay in substantially one 12 place with respect to the case 11 to which it attaches in a 1S circular groove 21 extending around the outside of the cup 13 14 and its wall 19. The wall portion 19 is angularly shaped so that the cups can be installed on a flat surface. This is made 1B possible by the wall portion 19 holding the transducer at an 17 angle with respect to the cover 11.
18 A circular base 23 of the cup 19 carries a generally 19 circular receiving transducer element 25, shown in dotted out-line in Figures 2a, 2b and 2c. The base portion 23 is made of 21 thick material and thus is relatively stiff. The circular base 22 23 is permitted some degree of movement within a circular 23 opening 27 provided at the bottom of the walled portion 19. The 24 hase portion 23 is connected to the walled portion 19 by a thinner molded resilient fold 29 that bridges the gap between 28 the elements 23 and 19. As is shown in dotted outline in 27 Figure 2a, the base portion 23 is thus permitted to be pushed 28 downward with respect to the side portions 19. This occurs whe 29 a telephone handset element of sufficient size is placed into a central cavity 31 of the cup 13. This assures a close physical 31 contact and improved acoustical coupling between the handset 32 and the element 25 since the fold 29 resiliently urges the 33 element 25 upwards against the handset.
5.
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'" ' ' ''~'`': , ' '~'~ '.' '; ' ` ` '.'. . ' 11~48 1 ¦ At the top of the generally circular side wall portion 2 ¦ 19 and extending inward thereof is a thin, flexible circular 3 ¦ lip 33 extending part way across the open cavity 31 to form 4 a circular opening 35 therethrough. The diameter of the 5¦ circular opening 35 is chosen to be smaller than the outside 6¦ diameter of the telephone handset portion designed to be 7 fit thereinto. ' 8¦ Referring to Figure 2b, the operation of the lip 33 is I illustrated when a receiving end of the handset 17 is placed 10 ¦ through the opening 35 into the cavity 31. The circular 11 edge of the lip 33 forming the opening 35 stretches radially ,~
12 outward as the handset is pushed therethroush, forms a tight 13 frictional engagement with the handset and rolls downward 14 into the cavity 31 as the handset 17 is pushed fur~her thereinto, as shown in Figure 2b. The depth of the cavity 1~ 31 is made sufficient, and the diameter of the opening 35 17 cooperatively sized, all relative to the diameter of the end 18 of the handset 17, so that the lip so rolls downward as 19 shown in Figure 2b when the handset is inserted.
The advantages of the lip 33 are shown with reference 2i to Figure 2c where the handset 17 is shown to be partially 22 ¦ withdrawn from the cavity 31. The elastic gripping force of 23 the lip 33 still holds when the handset 17 is partially `' 24 ¦ withdrawn as shown in Figure 2c. Because of the roll of the lip 33, as there shown, the force of the lip 33~tends to 26 pull the handset 17 backward into the cavity 31. Only when 27 sufficient force is applied to the handset 17 to withdraw 28 ¦ it even further from the cavity 31 does this positive engagement 23 with the lip 33 break. This has the advantage that the .
31 h;ndset 17 is held firmly in place, thus making it possible 6.
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~1154013 1 ¦ to place it on the side of an instrument as shown in Figure 1 2 or even on the bottom of an instrument if desired. It has 3 ¦ the further advantage of firmly holding the handset 17 into 4 ¦ the cup 13 in close contact with the receiving element 25 5 ¦ of the acoustic data coupler 11.
6 Referring to all of Figures 2a, 2b and 2c, a thin, 7 ¦ flexible flange 37 is provided on the inside of the walls 19 81 ex.ending into the cavity 31 a short distance to form yet 9 another circular opening through which a handset, such as the 1, 10 handset 17, may tightly fit as best shown in Figure 2b. This 11 ¦ second flange provides an additional amount of acoustic 12 isolation of the coupling between the receiver 25 and the t 13 ¦ handset 17 from external noise surrounding the data coupler 11.
14 ¦ The receiving cup 13 has been described. The transmitter
17 According to another aspect of the present invention, 1B the cup is rotatably mounted on the housing in a manner that i;
19 its axis of rotation is d~splaced from the center of the ¦ opening which receives the handset. The result is that the - 21 distance between openings can be varied by rotating one or 22 both of the acoustical cups, thereby accepting different 23 length handsets with the single acoustical coupler.
24 According to another aspect of the present invention, he portion of the cup that receives and contacts the handset 26 is mounted to a base portion attached to the case through a 27 resilient lip in a manner to permit tilting of the handset 23 receiving cup portion with respect to the base portion of the 29 cup. This feature provides an adjustment for handsets having .
different angular relationships and dimensions.
, 31 //
3.
i : ~ L i ~ .
' . ` , , : : ; ,: :` . : , ,` :~: . ' , ,' ,, ,;`, ., ,: :, ~115408 il 1 Each of the various aspects of the present invention 2 summarized above may be combined into a single cup structure .
3 or provided as individual improvements in existing cup 4 ¦ designs. Additional objects, advantages and features of the .
5 ¦ various aspects of the present invention will become apparent 6 from the following detailed description of their preferred .
7 embodiments.
Figure 1 illustrates an acoustic data coupler having 11 coupling cups according to one particular design;
12 Figures 2a, 2b and 2c are sectional views of one of the 13 cups of the acoustic data coupler at Figure l taken at 14 section 2a-2a thereof;
Figure 3 illustrates another acoustic data coupler 18 having coupling cups according to another particular design; .
17 Figure ~ is a top view of one of the coupling cups of 18 Figure 3;
19 Figure 5 is a cross-sectional view of one of the coupling cups of the coupler of Figure 3 taken acxoss section ;-5 21 thereof; ..
22 Figure 6 is a partially cut away and sectional view of 23 the other coupling cup of the coupler of Figure 3 taken 24 across section 6-6 thereof; and Figures 7a and 7b show in further sectional view the 26 acoustical cup of Figure 6 with handsets of widely varying 27 sizes held thereby.
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1 DESCRIPTION OF THE PREFERRED EMBOOIMENT :
2 Referring to Figure 1, an acoustic data coupler instrument 11 contains on one side surface thereof a receiver coupling cup 4 13 and a transmitter coupling cup 15 spaced apart in a manner to receive an ordinary ~elephone handset 17 illustrated in 6 ¦ dotted outline. The side of the data coupler 11 on which the 7 coupling cups 13 and 15 are installed is sùbstantially vertical.
8 ¦ Referring to Figure 2a, the cup 13 i5 described. The cup 13 is a single unitary element molded from a rubber-like plastic material. A wall portion 19 is generally circular and is made 11 thick enough to be fairly rigid and stay in substantially one 12 place with respect to the case 11 to which it attaches in a 1S circular groove 21 extending around the outside of the cup 13 14 and its wall 19. The wall portion 19 is angularly shaped so that the cups can be installed on a flat surface. This is made 1B possible by the wall portion 19 holding the transducer at an 17 angle with respect to the cover 11.
18 A circular base 23 of the cup 19 carries a generally 19 circular receiving transducer element 25, shown in dotted out-line in Figures 2a, 2b and 2c. The base portion 23 is made of 21 thick material and thus is relatively stiff. The circular base 22 23 is permitted some degree of movement within a circular 23 opening 27 provided at the bottom of the walled portion 19. The 24 hase portion 23 is connected to the walled portion 19 by a thinner molded resilient fold 29 that bridges the gap between 28 the elements 23 and 19. As is shown in dotted outline in 27 Figure 2a, the base portion 23 is thus permitted to be pushed 28 downward with respect to the side portions 19. This occurs whe 29 a telephone handset element of sufficient size is placed into a central cavity 31 of the cup 13. This assures a close physical 31 contact and improved acoustical coupling between the handset 32 and the element 25 since the fold 29 resiliently urges the 33 element 25 upwards against the handset.
5.
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'" ' ' ''~'`': , ' '~'~ '.' '; ' ` ` '.'. . ' 11~48 1 ¦ At the top of the generally circular side wall portion 2 ¦ 19 and extending inward thereof is a thin, flexible circular 3 ¦ lip 33 extending part way across the open cavity 31 to form 4 a circular opening 35 therethrough. The diameter of the 5¦ circular opening 35 is chosen to be smaller than the outside 6¦ diameter of the telephone handset portion designed to be 7 fit thereinto. ' 8¦ Referring to Figure 2b, the operation of the lip 33 is I illustrated when a receiving end of the handset 17 is placed 10 ¦ through the opening 35 into the cavity 31. The circular 11 edge of the lip 33 forming the opening 35 stretches radially ,~
12 outward as the handset is pushed therethroush, forms a tight 13 frictional engagement with the handset and rolls downward 14 into the cavity 31 as the handset 17 is pushed fur~her thereinto, as shown in Figure 2b. The depth of the cavity 1~ 31 is made sufficient, and the diameter of the opening 35 17 cooperatively sized, all relative to the diameter of the end 18 of the handset 17, so that the lip so rolls downward as 19 shown in Figure 2b when the handset is inserted.
The advantages of the lip 33 are shown with reference 2i to Figure 2c where the handset 17 is shown to be partially 22 ¦ withdrawn from the cavity 31. The elastic gripping force of 23 the lip 33 still holds when the handset 17 is partially `' 24 ¦ withdrawn as shown in Figure 2c. Because of the roll of the lip 33, as there shown, the force of the lip 33~tends to 26 pull the handset 17 backward into the cavity 31. Only when 27 sufficient force is applied to the handset 17 to withdraw 28 ¦ it even further from the cavity 31 does this positive engagement 23 with the lip 33 break. This has the advantage that the .
31 h;ndset 17 is held firmly in place, thus making it possible 6.
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~1154013 1 ¦ to place it on the side of an instrument as shown in Figure 1 2 or even on the bottom of an instrument if desired. It has 3 ¦ the further advantage of firmly holding the handset 17 into 4 ¦ the cup 13 in close contact with the receiving element 25 5 ¦ of the acoustic data coupler 11.
6 Referring to all of Figures 2a, 2b and 2c, a thin, 7 ¦ flexible flange 37 is provided on the inside of the walls 19 81 ex.ending into the cavity 31 a short distance to form yet 9 another circular opening through which a handset, such as the 1, 10 handset 17, may tightly fit as best shown in Figure 2b. This 11 ¦ second flange provides an additional amount of acoustic 12 isolation of the coupling between the receiver 25 and the t 13 ¦ handset 17 from external noise surrounding the data coupler 11.
14 ¦ The receiving cup 13 has been described. The transmitter
15 cup lS is preferably of essentially the same design. As an
16 ¦ alternative to this, it will be understood that only one of
17 the cups 13 and 15 need have structure described with
18 respect to Figures 2a, 2b and 2c for some applications. The
19 other cup could be of a conventional existing design.
Referring to Figure 3, another data coupler 50 contains ,~
21 a receiver coupling cup 51 and a transmitter cup 53. These 22 cups are mounted on housing surfaces 55 and 57, respectively, 23 which are angularly displaced with respect to a flat top 24 housing surface 59. A handset 61, shown in dotted outline, is positioned in both of the cups 51 and 53.
26 In order to accommodate a widely varying set of telep~one 27 handset sizes and shapes, the cups 51 and 53 are provided with 28 additional adjustments that the cups described above with respect to Figures 1 and 2 do not contain. Referring to .
Figure 4, one of these additional adjustment features is 32 t~
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llustrated by a top view of the cup 53, although the same can be said for the cup 51. The cup 53 has a flange 63 upon which are formed numbers around its circumference. An arrow 65 is attached to the flat surface 59 of the acoustic data coupler 50. The cup 53 is attached to the coupler 50 in a manner that a telephone handset receiving opening 35' and a lip 33' moves laterally with respect to the other acoustic cup 51 when the acoustic cup 53 is rotated. -The arrow 65 and the numbers on the cup flange 63 provide an indication of its rotatable position and thus also of the lateral position of the opening 35'. The range of lateral positions is shown in Figure 4 in dotted outline, having a maximum lateral displacement indicated by the distance 67 of Figure 4.
The particular structure of the transmitter acoustical cup 53 can be observed from the sectional view of Figure 5, wherein components and elements thereof having the same structure, function and operation as other elements of embodiments described earlier are given the same reference number with a prime (') or double prime ('') added thereto in order that a repeated description of their operation can be avoided. All of the shapes and elements of the cup 51 shown in Figure S and to be described are made from a single continuous molded element.
A base flange 69, carrying the rotational numbers on its top surface 63', is attached in a circular slot 71 to the portion 57 of the data coupler SO. The rest of the cup 53 is attached thereto by a resilient lip 73 made of thinner material than is the base portion 69 or most of the remaining portions of the cup 53, as is quite apparent from the sectional view of Figure 5. The curved nature of the lip 73 allows it sd//~ 8--, . . . .
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. i ~ 40fl 1 to be stretched straight in some areas while at the same time ~, 2 to be given a higher degree of curvature in other areas.
3 This capability thus makes it possible to tilt the top part 4 of the cup ~ with respect to the base 69 and thus with respect to the cover of the acoustic coupler ~t. Arrows 70 6 indicate this motion. This provides additional flexibility 7 in receiving telephone handsets of various sizes.
8 Although not shown in Figure 5, a transmitter element 9 is positioned within the cup ~r at a lower depression 75.
It is covered by a screen 77 shown in dotted outline in 11 Figure 5.
12 Referring to Figure 6, the receiver cup 51 is shown.
13 It is constructed generally~the same as the transmitting cup 14 53, so similar components thereof are given the same reference numbers with a prime (') added. The lip 33'' and opening 35'' lff coopera~e with a telephone handset in the same manner as the 17 elements 33 and 35 as previously explained with respect to 18 Figures 1 and 2. The slot 71' and the base 69' of the cup 19 53 is made eccentric to the opening 35''. That is, the 2~ center of the circular slot 71' is displaced a lateral t 21 distance with respect to the center of the circular opening 22 35''. The centers are displaced a lateral distance in a 23 direction toward or away from the centers of the other 24 acoustical cup 53, thereby converting rotary motion of the cup 53 into axial displacement of its opening 35' in a lateral 28 direction toward or away from the other acoustical cup 51.
27 Referring to Figures 7a and 7b, the receiving cup 51 is 2~ shown with a receiving transducer element 81 therein. Also 29 illustrated are the extreme dimensions of a receiver end of .
33l a telephone handset that can be utilized with the particular :' 32 //
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~115408 1 lip structure that has been described herein. ~he cup 2 embodiment of Figures 3-7 is preferable for use in European 3 countries where the handsets vary considerably in size. The 4 acoustic cup illustrated with respect to Figures l and 2 is less flexible in the variation of handset sizes that it can 6 handle but is satisfactory for marXets in the United States 7 and Canada.
8 It will be recognized that the various features 9 described herein with respect to its preferred embodiments can be combined in other ways than those particular examples shown 11 and described herein. For example, only one of a pair of 1 .
12 acoustical cups need have the telephone handset gripping lip I
13 feature described initially with respect to Figures l and 2. 1~;
14 As another example, the rotatable and bendable acoustical cup described with respect to Figures 3-7 may be used as only one 18 of the acoustical cups with some other type being used as the 17 other in a given acoustical data coupler. Therefore, even 18 though the various aspects of the present invention have been 19 described with respect to its preferred embodiments, it will be understood that the invention is entitled to protection 21 within the full scope of the appended claims.
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Referring to Figure 3, another data coupler 50 contains ,~
21 a receiver coupling cup 51 and a transmitter cup 53. These 22 cups are mounted on housing surfaces 55 and 57, respectively, 23 which are angularly displaced with respect to a flat top 24 housing surface 59. A handset 61, shown in dotted outline, is positioned in both of the cups 51 and 53.
26 In order to accommodate a widely varying set of telep~one 27 handset sizes and shapes, the cups 51 and 53 are provided with 28 additional adjustments that the cups described above with respect to Figures 1 and 2 do not contain. Referring to .
Figure 4, one of these additional adjustment features is 32 t~
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llustrated by a top view of the cup 53, although the same can be said for the cup 51. The cup 53 has a flange 63 upon which are formed numbers around its circumference. An arrow 65 is attached to the flat surface 59 of the acoustic data coupler 50. The cup 53 is attached to the coupler 50 in a manner that a telephone handset receiving opening 35' and a lip 33' moves laterally with respect to the other acoustic cup 51 when the acoustic cup 53 is rotated. -The arrow 65 and the numbers on the cup flange 63 provide an indication of its rotatable position and thus also of the lateral position of the opening 35'. The range of lateral positions is shown in Figure 4 in dotted outline, having a maximum lateral displacement indicated by the distance 67 of Figure 4.
The particular structure of the transmitter acoustical cup 53 can be observed from the sectional view of Figure 5, wherein components and elements thereof having the same structure, function and operation as other elements of embodiments described earlier are given the same reference number with a prime (') or double prime ('') added thereto in order that a repeated description of their operation can be avoided. All of the shapes and elements of the cup 51 shown in Figure S and to be described are made from a single continuous molded element.
A base flange 69, carrying the rotational numbers on its top surface 63', is attached in a circular slot 71 to the portion 57 of the data coupler SO. The rest of the cup 53 is attached thereto by a resilient lip 73 made of thinner material than is the base portion 69 or most of the remaining portions of the cup 53, as is quite apparent from the sectional view of Figure 5. The curved nature of the lip 73 allows it sd//~ 8--, . . . .
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. i ~ 40fl 1 to be stretched straight in some areas while at the same time ~, 2 to be given a higher degree of curvature in other areas.
3 This capability thus makes it possible to tilt the top part 4 of the cup ~ with respect to the base 69 and thus with respect to the cover of the acoustic coupler ~t. Arrows 70 6 indicate this motion. This provides additional flexibility 7 in receiving telephone handsets of various sizes.
8 Although not shown in Figure 5, a transmitter element 9 is positioned within the cup ~r at a lower depression 75.
It is covered by a screen 77 shown in dotted outline in 11 Figure 5.
12 Referring to Figure 6, the receiver cup 51 is shown.
13 It is constructed generally~the same as the transmitting cup 14 53, so similar components thereof are given the same reference numbers with a prime (') added. The lip 33'' and opening 35'' lff coopera~e with a telephone handset in the same manner as the 17 elements 33 and 35 as previously explained with respect to 18 Figures 1 and 2. The slot 71' and the base 69' of the cup 19 53 is made eccentric to the opening 35''. That is, the 2~ center of the circular slot 71' is displaced a lateral t 21 distance with respect to the center of the circular opening 22 35''. The centers are displaced a lateral distance in a 23 direction toward or away from the centers of the other 24 acoustical cup 53, thereby converting rotary motion of the cup 53 into axial displacement of its opening 35' in a lateral 28 direction toward or away from the other acoustical cup 51.
27 Referring to Figures 7a and 7b, the receiving cup 51 is 2~ shown with a receiving transducer element 81 therein. Also 29 illustrated are the extreme dimensions of a receiver end of .
33l a telephone handset that can be utilized with the particular :' 32 //
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: ,: ~ . :, . , :
~115408 1 lip structure that has been described herein. ~he cup 2 embodiment of Figures 3-7 is preferable for use in European 3 countries where the handsets vary considerably in size. The 4 acoustic cup illustrated with respect to Figures l and 2 is less flexible in the variation of handset sizes that it can 6 handle but is satisfactory for marXets in the United States 7 and Canada.
8 It will be recognized that the various features 9 described herein with respect to its preferred embodiments can be combined in other ways than those particular examples shown 11 and described herein. For example, only one of a pair of 1 .
12 acoustical cups need have the telephone handset gripping lip I
13 feature described initially with respect to Figures l and 2. 1~;
14 As another example, the rotatable and bendable acoustical cup described with respect to Figures 3-7 may be used as only one 18 of the acoustical cups with some other type being used as the 17 other in a given acoustical data coupler. Therefore, even 18 though the various aspects of the present invention have been 19 described with respect to its preferred embodiments, it will be understood that the invention is entitled to protection 21 within the full scope of the appended claims.
23 GPP~jh ~ I . ' '', ' . ` i . ', .. . . . .
Claims (14)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. In an acoustic data coupler having a case and two acoustic coupling cups held by said case and spaced apart for accepting receiver and transmitter portions of a telephone handset, one of said cups containing a telephone receiving transducer and the other of said cups a telephone transmitter transducer, at least one of said cups comprising:
a thin flexible lip extending inward of a more rigid circular support extending upward from the case, said lip terminating in a circular opening having a given diameter, the mechanical characteristics of the lip being such that when a telephone handset receiver or transmitter having a diameter larger than said given diameter is forced inward through the cup opening the internal circular edge of said lip stretches outwardly firmly gripping the handset transmitter or receiver and moves inward therewith from the lip as the receiver or transmitter is urged inward to a rest position, thereby causing a roll in said lip which provides a force tending to pull the telephone handset into said cup and against said telephone transducer, whereby good quality acoustical coupling is provided between the handset receiver or transmitter and the cup transducer.
a thin flexible lip extending inward of a more rigid circular support extending upward from the case, said lip terminating in a circular opening having a given diameter, the mechanical characteristics of the lip being such that when a telephone handset receiver or transmitter having a diameter larger than said given diameter is forced inward through the cup opening the internal circular edge of said lip stretches outwardly firmly gripping the handset transmitter or receiver and moves inward therewith from the lip as the receiver or transmitter is urged inward to a rest position, thereby causing a roll in said lip which provides a force tending to pull the telephone handset into said cup and against said telephone transducer, whereby good quality acoustical coupling is provided between the handset receiver or transmitter and the cup transducer.
2. The acoustic data coupler according to claim 1 wherein said at least one of said cup carries its said receiver or transmitter transducer on a circular bottom portion that is connected to said circular support through a resilient fold that tends to push said bottom inward of said cup in a direction toward said lip, thereby assuring an intimate contact between said transducer and said telephone handset.
3. The acoustic data coupler according to claim 1 wherein said transmitter or receiver transducer is mounted on a bottom of said at least one of said cups and a thin flexible annular flange extends inward of said circular support beneath said lip but above said transducer, said flange having a circular opening slightly greater than said given diameter, thereby to provide a second acoustic seal between a telephone handset and said transducer within said cup.
4. The acoustic data coupler according to claim 1 wherein said at least one of said cups comprises a base portion that is carried by said data coupler case and an upwardly telescoping portion containing said circular support and lip, the receiver or transmitter transducer being carried by said upwardly telescoping portion, said telescoping cup portion being held within the base portion and attached thereto at a bottom thereof in a manner that said telescoping portion is bendable with respect to said base portion.
5. The acoustic data coupler according to claim 4 wherein said upwardly telescoping portion of said at least one of said cups is connected to the base portion of the cup by a thin resilient bendable lip formed in a loop between telescoping and base portions of the cup.
6. The acoustical data coupler of claim 1 wherein said at least one of said cups is eccentrically rotatably mounted on said case in a manner that when rotated its said opening moves laterally a distance with respect to the other of said cups, thereby providing an adjustment for telephone handsets having different dimensions between their said transmitter and receiver case elements.
7. The acoustic data coupler according to claim 6 wherein said at least one of said cups or a portion of the case therearound contains numerical markings and the other of said cups or a portion of the case therearound contains a pointer, whereby the rotational position and thus the eccentricity of the telephone handset opening can be quantitatively set.
8. In an acoustical data coupler having a case and two spaced apart acoustic coupling cups carried by said case, each cup comprising:
a base portion rotatably held by said case, a circular shell extending upward from said base, and a thin flexible lip extending inward of said shell and leaving a circular opening therein for receiving a telephone handset portion, said base being mounted to said case in a manner to rotate about an axis that is physically displaced from the center of said circular opening, thereby to move the position of said circular opening with respect to said base as said cup is rotated.
a base portion rotatably held by said case, a circular shell extending upward from said base, and a thin flexible lip extending inward of said shell and leaving a circular opening therein for receiving a telephone handset portion, said base being mounted to said case in a manner to rotate about an axis that is physically displaced from the center of said circular opening, thereby to move the position of said circular opening with respect to said base as said cup is rotated.
9. An acoustic data coupler according to claim 8 wherein said upward shell of at least one acoustic cup is connected to said base through a circular resilient lip, whereby said upward portion may be bent with respect to said base to accommodate different handset sizes.
10. An acoustic data coupler according to claim 8 wherein said at least one of said resilient cups or the area of said case immediately adjacent thereto carries numbers and the other of said cups or the area of said case immediately adjacent thereto carries an indicator, whereby the rotatable position thereof may be determined.
11. For an acoustical data coupler having a case and two spaced-apart acoustic cups carried by said case, at least one of said acoustic cups being formed of a unitary molded structure, comprising:
a base portion adapted to be held by said case and having a circular opening therein, means adapted to freely move within said base portion for carrying a telephone transducer, and a thin, flexible resilient fold joining said transducer carrying means with the bottom of said base portion in a manner to resiliently urge said transducer carrying means upward within said base.
a base portion adapted to be held by said case and having a circular opening therein, means adapted to freely move within said base portion for carrying a telephone transducer, and a thin, flexible resilient fold joining said transducer carrying means with the bottom of said base portion in a manner to resiliently urge said transducer carrying means upward within said base.
12. The acoustic data coupler cup according to claim 11 which additionally comprises a thin flexible lip formed as part of said base portion and extending inward of a top opening of said base portion to form a circular opening, thereby to tightly receive a telephone handset receiver or transmitter therein that is larger in diameter than the diameter of said circular opening, whereby said lip and said fold urge the telephone handset and the transducer together.
13. The acoustic data coupler cup according to claim 12 wherein said thin flexible lip is additionally characterized by stretching as a telephone handset receiver or transmitter of larger diameter than its said circular opening is forced therethrough, thereby to firmly grip the handset and forming a roll therearound that pulls the handset into said base porton.
14. For an acoustical data coupler having a case and two spaced-apart acoustic cups carried by said case, at least one of said acoustic cups being formed of a unitary molded structure, comprising:
a base portion adapted to be held by said case and having a circular opening therein, an upwardly telescoping cup portion held within the circular opening of the base and adapted to receive a telephone handset receiver or transmitter and containing a telephone transducer therein, and a thin, flexible resilient fold joining said base and said telescoping cup portions at their lower extremities, thereby permitting said telescoping cup portion to bend with respect to said base portion.
a base portion adapted to be held by said case and having a circular opening therein, an upwardly telescoping cup portion held within the circular opening of the base and adapted to receive a telephone handset receiver or transmitter and containing a telephone transducer therein, and a thin, flexible resilient fold joining said base and said telescoping cup portions at their lower extremities, thereby permitting said telescoping cup portion to bend with respect to said base portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772753387 DE2753387C2 (en) | 1977-11-30 | 1977-11-30 | Acoustic data transmission device for telephone connections |
| DEP2753387.5 | 1977-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1115408A true CA1115408A (en) | 1981-12-29 |
Family
ID=6024993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA294,322A Expired CA1115408A (en) | 1977-11-30 | 1978-01-04 | Telephone handset acoustic coupling cup |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5493906A (en) |
| CA (1) | CA1115408A (en) |
| DE (1) | DE2753387C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57141459U (en) * | 1981-02-26 | 1982-09-04 | ||
| DE9303657U1 (en) * | 1993-03-12 | 1993-05-13 | Imhof, Augustin, 7619 Steinach, De |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3585302A (en) * | 1969-02-17 | 1971-06-15 | Anderson Jacobson Inc | Acoustic coupler |
| US3553374A (en) * | 1969-03-20 | 1971-01-05 | Digitronics Corp | Acoustic coupler |
| US3733437A (en) * | 1970-05-20 | 1973-05-15 | Anderson Jacobson Inc | Telephone handset coupler |
| DE2040306A1 (en) * | 1970-08-13 | 1972-02-17 | Digitronics Corp | Acoustic converter |
| US3725584A (en) * | 1970-12-30 | 1973-04-03 | Ibm | Acoustic coupler |
| US3719783A (en) * | 1971-04-23 | 1973-03-06 | J Kennedy | Acoustic coupler |
| US3992583A (en) * | 1975-07-11 | 1976-11-16 | Texas Instruments Incorporated | Universal flexible acoustic coupler muff system |
-
1977
- 1977-11-30 DE DE19772753387 patent/DE2753387C2/en not_active Expired
-
1978
- 1978-01-04 CA CA294,322A patent/CA1115408A/en not_active Expired
- 1978-11-30 JP JP14729978A patent/JPS5493906A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2753387A1 (en) | 1979-05-31 |
| DE2753387C2 (en) | 1986-05-07 |
| JPS5493906A (en) | 1979-07-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |