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PROSPECTUS SUPPLEMENT                         This Prospectus Supplement,       
FOR THE PERIOD ENDING                         filed pursuant to Rule 424(b)(3), 
FEBRUARY 28, 1997 TO                          relates to Registration Statement 
PROSPECTUS DATED                              No. 33-55010-01 and the           
DECEMBER 14, 1992                             Prospectus dated December 14, 1992



                      SECURITIES AND EXCHANGE COMMISSION
                            450 Fifth Street, N.W.
                           Washington, D.C.  20549


                                   FORM 8-K

                                CURRENT REPORT

                    Pursuant to Section 13 or 15(d) of the
                       Securities Exchange Act of 1934

                                       
        Date of Report (Date of earliest event reported): March 17, 1997


                           DISCOVER CARD TRUST 1992 B
                           --------------------------               
             (Exact name of registrant as specified in its charter)



                                                                                
Delaware                                        0-21186                               Not Applicable
- --------                                        -------                               --------------
(State of                                       (Commission                           (IRS Employer
organization)                                   File Number)                          Identification No.)




                                                                   
c/o Discover Receivables Financing Group, Inc.
12 Read's Way
New Castle, Delaware                                                    19720
- --------------------------------------------------------------------------------
(Address of principal executive offices)                              (Zip Code)


Registrant's telephone number, including area code: (302) 323-7826


                                 Not Applicable
         -------------------------------------------------------------
         (Former name or former address, if changed since last report)


                                 Page 1 of  13
                         Index to Exhibits is on page 4
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Item 5. Other Events

On March 17, 1997 the Registrant made available the Monthly Certificateholders'
Statement for the Due Period of February 1997, which is attached as Exhibit 21
hereto.

Item 7.  Financial Statements and Exhibits

(c) Exhibits




Exhibit No.      Description
              
21               Monthly Certificateholders' Statement for Discover Card Trust
                 1992 B related to the Due Period ending February 28, 1997.

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                                   SIGNATURES

                 Pursuant to the requirements of Section 13 or 15(d) of the
Securities Exchange Act of 1934, the registrant has duly caused this report to
be signed on its behalf by the undersigned, thereunto duly authorized.

                                        DISCOVER CARD TRUST 1992 B
                                              (Registrant)

                                        By: DISCOVER RECEIVABLES FINANCING
                                            GROUP, INC.
                                            as originator of the Trust


                                        By:          Birendra Kumar
                                            -----------------------------
                                            Birendra Kumar
                                            Vice President and Treasurer


Date: March 17, 1997
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                                 EXHIBIT INDEX



Exhibit No.      Description
- -----------      -----------
              
21               Monthly Certificateholders' Statement for Discover Card Trust
                 1992 B related to the Due Period ending February 28, 1997.