US3425025A - Dual plug-in module - Google Patents
Dual plug-in module Download PDFInfo
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- US3425025A US3425025A US587812A US3425025DA US3425025A US 3425025 A US3425025 A US 3425025A US 587812 A US587812 A US 587812A US 3425025D A US3425025D A US 3425025DA US 3425025 A US3425025 A US 3425025A
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- 230000009977 dual effect Effects 0.000 title description 6
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000013011 mating Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Definitions
- a pair of mechanically separate and electrically related plug-in units are mechanically and electrically mated in side-by-side relationship to form a unitary plug-in module for insertion into a single cavity of a main instrument.
- This invention relates to mehanically separate but electrically related plug-in units that are mechanically and electrically mated to form a dual plug-in module for insertion into a high frequency instrument such as an oscilloscope.
- the horizontal and vertical deflection circuits for the cathode ray tube are often housed in separate horizontal and vertical plug-in units, which may be mechanically and electrically attached to and detached from the basic display instrument. It is then possible, for example, to substitute a delayed sweep horizontal plug-in unit for a standard sweep horizontal plug-in unit without also replacing the vertical plug-in unit.
- these separate horizontal and vertical plug-in units are each inserted into a separate cavity of the basic instrument and are each separately attached mechanically and electrically to the basic instrument. This increases the hardware such as mechanical guides and latches and electrical connectors required to mechanically and electrically attach the plug-in units to the basic instrument and therefore increases the cost of the oscilloscope system.
- interconnecting circuitry between the plug-in units must be routed out the back end of one plug-in unit through a set of connectors, along signal transmission leads, and into the back end of the other plug-in unit through another set of connectors.
- additional connections also increase the cost of the oscilloscope system and, in addition, increase the lead inductance and capacitance and the contact potential as sociated with the interconnections between the plug-in units thereby increasing the signal loss during signal transfer between the plug-in units.
- This object is accomplished in accordance with the illustrated embodiment of this invention by providing a pair of plug-in units mechanically and electrically mating in side-by-side relationship so as to form a dual plug-in module for insertion into a single cavity of the basic instrument.
- FIGURE 1 is a perspective view of a pair of mechanically and electrically mating plug-in units according to the preferred embodiment of this invention
- FIGURE 2 is a top view of the plug-in units of FIG- URE 1 after they have been mechanically and electrically mated and inserted into the cavity of the basic instrument;
- FIGURE 3 is a partially cut-away front view of the mechanically and electrically mated plug-in units of FIG- URE 2.
- FIGURE 1 there is shown a pair of mechanically sepa rate but electrically related plug-in units 10 and .12 comprising, for example, the vertical and horizontal deflection circuits of an oscilloscope system.
- a pair of keyhole slots 14 are formed in a side panel '16 of the plug-in unit 10, and a latch member 18 is slidably mounted on an adjacent side panel 20 of the plug-in unit 12.
- This latch member 18 may be mounted by forming a pair of narrow slots 22 in the side panel 20 of the plug-in unit 12, inserting through each slot 22 the shank of a separate retaining bolt 19 having a circular head larger in diameter than the width of the slot 22, and fastening the shank of each retaining bolt 19 to the latch member 18 so as to restrict the latch member 18 to sliding movement between the opposite extremities of the slots 22.
- a pair of latch buttons 24 are fixedly attached to the latch member 18 so that each latch button registers with the wide portion of a different one of the keyhole slots '14 when the latch member 18 is pulled out as shown in FIGURE 1.
- Each of these latch buttons 24 is adapted to fit through the wide portion of the corresponding keyhole slot 14 and has a shank 25 that is adapted to fit into the narrow portion of the corresponding keyhole slot 14 when the latch member 18 is pushed in as shown in FIGURE 2.
- a front subpanel 26 of the plug-in unit 10 is provided with a pair of notches 28, and a front subpanel 30 of the plug-in unit 12 is provided with a corresponding pair of tabs 32 that are adapted to fit into and engage the notches 28 of the front subpanel 26 when the plug-in units 10 and 12 are mechanically mated.
- notches 28 and tabs 32 insures proper alignment of the front panels 34 and 36 of the plug-in units .10 and 12 and prevents the front panels 34 and 36 from slipping, vertically, forward, or backward relative to one another since the notches 28 and the tabs 32 have been engaged.
- the plug-in units 10 and 12 are mechanically attached by pulling out the latch member 18 as shown in FIGURE 1 and as indicated by the dashed position of the latch member 18 shown in FIGURE 2, fitting each latch button 24 through the wide portion of the corresponding keyhole slot 14, and engaging the notches 28 and the tabs 32 of the front subpanels 26 and 30 as shown in FIGURE 3.
- the latch member 18 is then pushed in as shown in FIGURE 2 so that the shank 25 of each latch button 24 fits into the narrow portion of the corresponding keyhole slot 14. This locks the plug-in units 10 and 12 together so as to form a dual plug-in module and prevents relative, motion between the plug-in units of this module.
- the hardware such as guides and latches required to insert this dual plug-in module into a single cavity of a basic instrument 37 is no greater than that normally required for a single plug-in unit.
- the plug-in units 10 and 12 are electrically mated together through a multi-terminal female connector 38 mounted on the side panel 16 of the plug-in unit 10 and by a corresponding multi-terminal male connector 40 mounted on the side panel 2%) of the plug-in unit 12.
- the male connector 40 is adapted for mating with the female connector 38 when the plug-in units 10 and 12 are mechanically locked together.
- the power for both plug-in units 10 and 12 is derived from the basic instrument 37 through a single connector 42 mounted on the back panel 44 of the plug-in unit 12.
- the plug-in unit 10 receives its power from the plug-in unit 12 and therefore need not be electrically connected to the basic instrument 37. This feature in combination with the direct connection between the plugin units 10 and 12 substantially reduces the number of connectors required by the plug-in units.
- Plug-in apparatus for insertion into a single cavity of an electrical instrument, said apparatus comprising:
- a first plug-in unit for the electrical instrument said first plug-in unit having an electrical connector and a mechanical connector;
- a mechanically separate second plug-in unit for the electrical instrument said second plug-in unit having an electrical connector releasably engageable with the electrical connector of the first plug-in unit to provide an electrical signal conduction path between the plug-in units, said second plug-in unit also having a mechanical connector releasably engageable with the mechanical connector of the first plug-in unit for releasably mating the plug-in units together in a first direction to provide a unitary plug-in module for insertion into the cavity of the electrical instrument in a second direction substantially normal to said first direction;
- At least one of said unitary plug-in module and said electrical instrument including means for electrically connecting said unitary plug-in module and said electrical instrument upon insertion of the unitary plugin module into the cavity of the electrical instrument.
- plug-in apparatus as in claim 1 wherein said means comprises an additional electrical connector of at least one of the plug-in units, said additional electrical connector being operable for electrically engaging the electrical instrument upon insertion of the unitary plug-in module into the cavity of the electrical instrument in said second direction.
- said first plug-in unit has a front panel and has a side panel including the electrical and mechanical connectors of the first plug-in unit;
- said second plug-in unit has a front panel and has a side panel including the electrical and mechanical connectors of the second plug-in unit;
- the electrical connector mounted on the side panel of one of said plug-in units comprises a female connector
- the electrical connector mounted on the side panel of the other of said plug-in units comprises a male connector
- one of said mechanical connectors comprises a pair of spaced keyhole slots in the side panel of one of the plug-in units, each of said keyhole slots having an enlarged portion and a narrow portion;
- the other of said mechanical connectors comprises a latch slidably mounted on the side panel of the other of the plug-in units, said latch being operable in one position for entering the enlarged portions of the keyhole slots and then being slid to another position for engaging the narrow portions of the keyhole slots to releasably mate the plug-in units together and provide the unitary plug-in module.
- one of said plug-in units has a housing including the front and side panels of that plug-in unit and having a notch;
- the other of said plug-in units has a housing including the front and side panels of that plug-in unit and having a tab for engaging said notch when the plugin units are electrically and mechanically mated together thereby preventing relative movement of one plug-in unit with respect to the other in planes that are parallel to said second direction.
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
Jan. 28,1969
J. D. WILLIAMS DUAL PLUG-IN MODULE Filed Oct. 19, 1966 JAMES D. WlLl-JAMS BY \0. W
ATTORNEY United States Patent Claims ABSTRACT OF THE DISCLOSURE A pair of mechanically separate and electrically related plug-in units are mechanically and electrically mated in side-by-side relationship to form a unitary plug-in module for insertion into a single cavity of a main instrument.
This invention relates to mehanically separate but electrically related plug-in units that are mechanically and electrically mated to form a dual plug-in module for insertion into a high frequency instrument such as an oscilloscope.
In order to increase the versatility of an oscilloscope system the horizontal and vertical deflection circuits for the cathode ray tube are often housed in separate horizontal and vertical plug-in units, which may be mechanically and electrically attached to and detached from the basic display instrument. It is then possible, for example, to substitute a delayed sweep horizontal plug-in unit for a standard sweep horizontal plug-in unit without also replacing the vertical plug-in unit. Typically, these separate horizontal and vertical plug-in units are each inserted into a separate cavity of the basic instrument and are each separately attached mechanically and electrically to the basic instrument. This increases the hardware such as mechanical guides and latches and electrical connectors required to mechanically and electrically attach the plug-in units to the basic instrument and therefore increases the cost of the oscilloscope system. Moreover, interconnecting circuitry between the plug-in units must be routed out the back end of one plug-in unit through a set of connectors, along signal transmission leads, and into the back end of the other plug-in unit through another set of connectors. These additional connections also increase the cost of the oscilloscope system and, in addition, increase the lead inductance and capacitance and the contact potential as sociated with the interconnections between the plug-in units thereby increasing the signal loss during signal transfer between the plug-in units.
Accordingly, it is the principal object of this invention to reduce the mechanical and electrical hardware required to mechanically and electrically attach a pair of mechanically separate but electrically related plug-in units to a basic instrument and to make the required electrical interconnections between the plug-in units more direct so as to reduce the lead inductance and capacitance and the contact potential associated withv these electrical interconnections.
This object is accomplished in accordance with the illustrated embodiment of this invention by providing a pair of plug-in units mechanically and electrically mating in side-by-side relationship so as to form a dual plug-in module for insertion into a single cavity of the basic instrument.
Other and incidental objects of this invention will be apparent from a reading of this specification and an inspection of the accompanying drawing in which:
FIGURE 1 is a perspective view of a pair of mechanically and electrically mating plug-in units according to the preferred embodiment of this invention;
3,425,025 Patented Jan. 28, 1969 FIGURE 2 is a top view of the plug-in units of FIG- URE 1 after they have been mechanically and electrically mated and inserted into the cavity of the basic instrument; and
FIGURE 3 is a partially cut-away front view of the mechanically and electrically mated plug-in units of FIG- URE 2.
Referring now to the drawings, and particularly to FIGURE 1, there is shown a pair of mechanically sepa rate but electrically related plug-in units 10 and .12 comprising, for example, the vertical and horizontal deflection circuits of an oscilloscope system. A pair of keyhole slots 14 are formed in a side panel '16 of the plug-in unit 10, and a latch member 18 is slidably mounted on an adjacent side panel 20 of the plug-in unit 12. This latch member 18 may be mounted by forming a pair of narrow slots 22 in the side panel 20 of the plug-in unit 12, inserting through each slot 22 the shank of a separate retaining bolt 19 having a circular head larger in diameter than the width of the slot 22, and fastening the shank of each retaining bolt 19 to the latch member 18 so as to restrict the latch member 18 to sliding movement between the opposite extremities of the slots 22. A pair of latch buttons 24 are fixedly attached to the latch member 18 so that each latch button registers with the wide portion of a different one of the keyhole slots '14 when the latch member 18 is pulled out as shown in FIGURE 1. Each of these latch buttons 24 is adapted to fit through the wide portion of the corresponding keyhole slot 14 and has a shank 25 that is adapted to fit into the narrow portion of the corresponding keyhole slot 14 when the latch member 18 is pushed in as shown in FIGURE 2. A front subpanel 26 of the plug-in unit 10 is provided with a pair of notches 28, and a front subpanel 30 of the plug-in unit 12 is provided with a corresponding pair of tabs 32 that are adapted to fit into and engage the notches 28 of the front subpanel 26 when the plug-in units 10 and 12 are mechanically mated. This arrangement of notches 28 and tabs 32 insures proper alignment of the front panels 34 and 36 of the plug-in units .10 and 12 and prevents the front panels 34 and 36 from slipping, vertically, forward, or backward relative to one another since the notches 28 and the tabs 32 have been engaged. The plug-in units 10 and 12 are mechanically attached by pulling out the latch member 18 as shown in FIGURE 1 and as indicated by the dashed position of the latch member 18 shown in FIGURE 2, fitting each latch button 24 through the wide portion of the corresponding keyhole slot 14, and engaging the notches 28 and the tabs 32 of the front subpanels 26 and 30 as shown in FIGURE 3. The latch member 18 is then pushed in as shown in FIGURE 2 so that the shank 25 of each latch button 24 fits into the narrow portion of the corresponding keyhole slot 14. This locks the plug-in units 10 and 12 together so as to form a dual plug-in module and prevents relative, motion between the plug-in units of this module. The hardware such as guides and latches required to insert this dual plug-in module into a single cavity of a basic instrument 37 is no greater than that normally required for a single plug-in unit.
The plug-in units 10 and 12 are electrically mated together through a multi-terminal female connector 38 mounted on the side panel 16 of the plug-in unit 10 and by a corresponding multi-terminal male connector 40 mounted on the side panel 2%) of the plug-in unit 12. The male connector 40 is adapted for mating with the female connector 38 when the plug-in units 10 and 12 are mechanically locked together. This direct connection between the plug-in units 10 and 12 substantially reduces the length of the interconnecting leads conventionally used between the plug-in units 10 and 12 and therefore reduces the lead inductance and capacitance associated with these interconnecting leads. Thus, the loss of signal because of lead inductance and capacitance is substantially reduced. Moreover since only one set of connectors is used the contact potential and hence the signal loss due to contact potential is cut in half. The power for both plug-in units 10 and 12 is derived from the basic instrument 37 through a single connector 42 mounted on the back panel 44 of the plug-in unit 12. The plug-in unit 10 receives its power from the plug-in unit 12 and therefore need not be electrically connected to the basic instrument 37. This feature in combination with the direct connection between the plugin units 10 and 12 substantially reduces the number of connectors required by the plug-in units.
I claim:
1. Plug-in apparatus for insertion into a single cavity of an electrical instrument, said apparatus comprising:
A first plug-in unit for the electrical instrument, said first plug-in unit having an electrical connector and a mechanical connector; and
a mechanically separate second plug-in unit for the electrical instrument, said second plug-in unit having an electrical connector releasably engageable with the electrical connector of the first plug-in unit to provide an electrical signal conduction path between the plug-in units, said second plug-in unit also having a mechanical connector releasably engageable with the mechanical connector of the first plug-in unit for releasably mating the plug-in units together in a first direction to provide a unitary plug-in module for insertion into the cavity of the electrical instrument in a second direction substantially normal to said first direction;
at least one of said unitary plug-in module and said electrical instrument including means for electrically connecting said unitary plug-in module and said electrical instrument upon insertion of the unitary plugin module into the cavity of the electrical instrument.
2. Plug-in apparatus as in claim 1 wherein said means comprises an additional electrical connector of at least one of the plug-in units, said additional electrical connector being operable for electrically engaging the electrical instrument upon insertion of the unitary plug-in module into the cavity of the electrical instrument in said second direction.
3. Plug-in apparatus as in claim 2 wherein:
said first plug-in unit has a front panel and has a side panel including the electrical and mechanical connectors of the first plug-in unit; and
said second plug-in unit has a front panel and has a side panel including the electrical and mechanical connectors of the second plug-in unit;
whereby engagement of the electrical and mechanical connectors of the first plug-in unit with the electrical and mechanical connectors of the second plug-in unit electrically and mechanically mates these side panels of the plug-in units together in said first direction to provide the unitary plug-in module, the plug-in units of said unitary plug-in module having their front panels disposed in a common plane substantially normal to said second direction.
4. Plug-in apparatus as in claim 3 wherein:
the electrical connector mounted on the side panel of one of said plug-in units comprises a female connector;
the electrical connector mounted on the side panel of the other of said plug-in units comprises a male connector;
one of said mechanical connectors comprises a pair of spaced keyhole slots in the side panel of one of the plug-in units, each of said keyhole slots having an enlarged portion and a narrow portion; and
the other of said mechanical connectors comprises a latch slidably mounted on the side panel of the other of the plug-in units, said latch being operable in one position for entering the enlarged portions of the keyhole slots and then being slid to another position for engaging the narrow portions of the keyhole slots to releasably mate the plug-in units together and provide the unitary plug-in module.
5. Plug-in apparatus as in claim 4 wherein:
one of said plug-in units has a housing including the front and side panels of that plug-in unit and having a notch; and
the other of said plug-in units has a housing including the front and side panels of that plug-in unit and having a tab for engaging said notch when the plugin units are electrically and mechanically mated together thereby preventing relative movement of one plug-in unit with respect to the other in planes that are parallel to said second direction.
References Cited UNITED STATES PATENTS 2,043,796 6/ 1936 Frank 339185 2,610,998 9/1952 Lockhart 339- 3,034,000 5/1962 Todd 339154 3,255,330 6/1966 MacKenzie et a1 33919 3,345,599 10/1967 Henschen et al. 33919 2,229,150 1/1941 Wadsworth 339-31 2,265,341 12/1941 Borchert 33976 2,448,725 9/ 1948 Morris 339-76 MARVIN A. CHAMPION, Primary Examiner. JOSEPH H. MCGLYNN, Assistant Examiner.
US. Cl. X.R. 317-99; 3391-86
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US58781266A | 1966-10-19 | 1966-10-19 |
Publications (1)
Publication Number | Publication Date |
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US3425025A true US3425025A (en) | 1969-01-28 |
Family
ID=24351308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US587812A Expired - Lifetime US3425025A (en) | 1966-10-19 | 1966-10-19 | Dual plug-in module |
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US (1) | US3425025A (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USB349321I5 (en) * | 1973-04-09 | 1975-01-28 | ||
US3863999A (en) * | 1973-12-26 | 1975-02-04 | Philip O Muller | Detachable warning light |
US4360241A (en) * | 1979-04-06 | 1982-11-23 | Nissan Motor Company, Limited | Instrument panel |
WO1984004632A1 (en) * | 1983-05-09 | 1984-11-22 | Convergent Technologies Inc | Modular housing for computer system |
US4542951A (en) * | 1984-04-13 | 1985-09-24 | Amp Incorporated | Operating mechanism for a plugboard system |
US4550968A (en) * | 1984-10-12 | 1985-11-05 | Anton/Bauer, Inc. | Battery pack connection |
US4558914A (en) * | 1982-09-23 | 1985-12-17 | Gould Inc. | Readily expandable input/output construction for programmable controller |
US4636016A (en) * | 1985-08-30 | 1987-01-13 | Motorola, Inc. | Accessory connector |
US4636015A (en) * | 1985-08-30 | 1987-01-13 | Motorola, Inc. | RF connector |
FR2667993A1 (en) * | 1990-10-16 | 1992-04-17 | Triumph Adler Ag | CONNECTION DEVICE WITH A DISPLAY FOR CONNECTING ELECTRONIC DEVICES MECHANICALLY AND ELECTRICALLY BETWEEN THEM. |
US5409394A (en) * | 1992-11-06 | 1995-04-25 | Hewlett-Packard Company | Method for securing a removable connector on a fixed connector and a locking element therefor |
US5774343A (en) * | 1996-06-28 | 1998-06-30 | Digital Equipment Corporation | Hinged front panel assembly for circuit cards |
US5838533A (en) * | 1997-03-19 | 1998-11-17 | Eaton Corporation | Housing assembly for circuit components |
US5921643A (en) * | 1996-04-19 | 1999-07-13 | Unisys Corporation | Zero clearance locating and connecting pin and connecting system using same |
US6080003A (en) * | 1997-04-18 | 2000-06-27 | Nec Corporation | Multi-stage interconnection type electronic component with movable hook guide member and electronic equipment having the plural modules |
US20040003834A1 (en) * | 2002-05-01 | 2004-01-08 | Bruce Arnett | Modular carwash assembly |
US20050162822A1 (en) * | 2004-01-28 | 2005-07-28 | Paul Shu | Detachable modular computer |
US20080242981A1 (en) * | 2007-03-30 | 2008-10-02 | Olympus Medical Systems Corp. | Casing mechanism and medical imaging apparatus and ultrasound endoscope using the same |
US20110111619A1 (en) * | 2009-11-09 | 2011-05-12 | Stowers Jeffery P | Interface |
US20110281453A1 (en) * | 2010-05-13 | 2011-11-17 | Delta Electronics, Inc. | Quick-detachable terminal seat and programmable logic controller having the same |
DE102011002794A1 (en) * | 2011-01-17 | 2012-07-19 | Tyco Electronics Amp Gmbh | Connector, mating connector and connector assembly with clamping surfaces and fixing means |
US20130065432A1 (en) * | 2011-09-09 | 2013-03-14 | Hon Hai Precision Industry Co., Ltd. | Fixing apparatus for connector |
US20130102164A1 (en) * | 2011-10-21 | 2013-04-25 | Acer Incorporated | Male connector and female connector in computer system |
US9882310B2 (en) * | 2016-02-18 | 2018-01-30 | Omron Corporation | Connection structure and apparatus unit |
US20180294586A1 (en) * | 2017-04-07 | 2018-10-11 | Molex, Llc | Connector and connector assembly |
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Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3916103A (en) * | 1973-04-09 | 1975-10-28 | Northern Electric Co | Interconnector for telephone units |
USB349321I5 (en) * | 1973-04-09 | 1975-01-28 | ||
US3863999A (en) * | 1973-12-26 | 1975-02-04 | Philip O Muller | Detachable warning light |
US4360241A (en) * | 1979-04-06 | 1982-11-23 | Nissan Motor Company, Limited | Instrument panel |
US4558914A (en) * | 1982-09-23 | 1985-12-17 | Gould Inc. | Readily expandable input/output construction for programmable controller |
WO1984004632A1 (en) * | 1983-05-09 | 1984-11-22 | Convergent Technologies Inc | Modular housing for computer system |
US4501460A (en) * | 1983-05-09 | 1985-02-26 | Convergent Technologies, Inc. | Modular housing for computer system |
US4542951A (en) * | 1984-04-13 | 1985-09-24 | Amp Incorporated | Operating mechanism for a plugboard system |
US4550968A (en) * | 1984-10-12 | 1985-11-05 | Anton/Bauer, Inc. | Battery pack connection |
US4636016A (en) * | 1985-08-30 | 1987-01-13 | Motorola, Inc. | Accessory connector |
US4636015A (en) * | 1985-08-30 | 1987-01-13 | Motorola, Inc. | RF connector |
FR2667993A1 (en) * | 1990-10-16 | 1992-04-17 | Triumph Adler Ag | CONNECTION DEVICE WITH A DISPLAY FOR CONNECTING ELECTRONIC DEVICES MECHANICALLY AND ELECTRICALLY BETWEEN THEM. |
US5192222A (en) * | 1990-10-16 | 1993-03-09 | Ta Triumph-Adler Ag | Plug connection device for simultaneous mechanical and electrical connection of two electronic units |
US5409394A (en) * | 1992-11-06 | 1995-04-25 | Hewlett-Packard Company | Method for securing a removable connector on a fixed connector and a locking element therefor |
US5921643A (en) * | 1996-04-19 | 1999-07-13 | Unisys Corporation | Zero clearance locating and connecting pin and connecting system using same |
US5774343A (en) * | 1996-06-28 | 1998-06-30 | Digital Equipment Corporation | Hinged front panel assembly for circuit cards |
US5838533A (en) * | 1997-03-19 | 1998-11-17 | Eaton Corporation | Housing assembly for circuit components |
US6080003A (en) * | 1997-04-18 | 2000-06-27 | Nec Corporation | Multi-stage interconnection type electronic component with movable hook guide member and electronic equipment having the plural modules |
US20040003834A1 (en) * | 2002-05-01 | 2004-01-08 | Bruce Arnett | Modular carwash assembly |
US20070084037A1 (en) * | 2002-05-01 | 2007-04-19 | Arnett Jr Bruce | Method for Building and Installing a Modular Carwash Assembly |
US7092248B2 (en) * | 2004-01-28 | 2006-08-15 | Paul Shu | Detachable modular computer |
US20050162822A1 (en) * | 2004-01-28 | 2005-07-28 | Paul Shu | Detachable modular computer |
US20080242981A1 (en) * | 2007-03-30 | 2008-10-02 | Olympus Medical Systems Corp. | Casing mechanism and medical imaging apparatus and ultrasound endoscope using the same |
US7798839B2 (en) * | 2007-03-30 | 2010-09-21 | Olympus Medical Systems Corp. | Casing mechanism and stacked circuit boards, and medical imaging apparatus and ultrasound endoscope using the same |
US8348693B2 (en) * | 2009-11-09 | 2013-01-08 | Virginia Panel Corporation | Electrical connector interface with latch operated by threaded drive shaft |
US20110111619A1 (en) * | 2009-11-09 | 2011-05-12 | Stowers Jeffery P | Interface |
US20110281453A1 (en) * | 2010-05-13 | 2011-11-17 | Delta Electronics, Inc. | Quick-detachable terminal seat and programmable logic controller having the same |
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